Home / 102,767.16-141,802.20-62,459.40

Finding the Fourth Proportional to 102,767.16, 141,802.20 and 62,459.40

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Solution

The fourth proportional to 102,767.16, 141,802.20 and 62,459.40 is: 86,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.16 : 141,802.20 = 62,459.40 : x
  2. Step 2: Convert to fraction form
    102,767.16/141,802.20 = 62,459.40/x
  3. Step 3: Cross multiply
    102,767.16x = 141,802.20 × 62,459.40
  4. Step 4: Simplify right side
    102,767.16x = 8,856,880,330.68
  5. Step 5: Solve for x
    x = 8,856,880,330.68/102,767.16
  6. Step 6: Final answer
    x = 86,183.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.