Home / 603,122.10-904,683.15-159,890.10

Finding the Fourth Proportional to 603,122.10, 904,683.15 and 159,890.10

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Solution

The fourth proportional to 603,122.10, 904,683.15 and 159,890.10 is: 239,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,122.10 : 904,683.15 = 159,890.10 : x
  2. Step 2: Convert to fraction form
    603,122.10/904,683.15 = 159,890.10/x
  3. Step 3: Cross multiply
    603,122.10x = 904,683.15 × 159,890.10
  4. Step 4: Simplify right side
    603,122.10x = 144,649,879,321.82
  5. Step 5: Solve for x
    x = 144,649,879,321.82/603,122.10
  6. Step 6: Final answer
    x = 239,835.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.