Home / 578,099.40-867,149.10-157,374.60

Finding the Fourth Proportional to 578,099.40, 867,149.10 and 157,374.60

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Solution

The fourth proportional to 578,099.40, 867,149.10 and 157,374.60 is: 236,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,099.40 : 867,149.10 = 157,374.60 : x
  2. Step 2: Convert to fraction form
    578,099.40/867,149.10 = 157,374.60/x
  3. Step 3: Cross multiply
    578,099.40x = 867,149.10 × 157,374.60
  4. Step 4: Simplify right side
    578,099.40x = 136,467,242,752.86
  5. Step 5: Solve for x
    x = 136,467,242,752.86/578,099.40
  6. Step 6: Final answer
    x = 236,061.90

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Double scale
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Similar ratio
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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.