Home / 95,424.10-143,136.15-89,980.90

Finding the Fourth Proportional to 95,424.10, 143,136.15 and 89,980.90

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Solution

The fourth proportional to 95,424.10, 143,136.15 and 89,980.90 is: 134,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,424.10 : 143,136.15 = 89,980.90 : x
  2. Step 2: Convert to fraction form
    95,424.10/143,136.15 = 89,980.90/x
  3. Step 3: Cross multiply
    95,424.10x = 143,136.15 × 89,980.90
  4. Step 4: Simplify right side
    95,424.10x = 12,879,519,599.54
  5. Step 5: Solve for x
    x = 12,879,519,599.54/95,424.10
  6. Step 6: Final answer
    x = 134,971.35

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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.