Home / 102,217.14-141,059.66-56,894.15

Finding the Fourth Proportional to 102,217.14, 141,059.66 and 56,894.15

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Solution

The fourth proportional to 102,217.14, 141,059.66 and 56,894.15 is: 78,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,217.14 : 141,059.66 = 56,894.15 : x
  2. Step 2: Convert to fraction form
    102,217.14/141,059.66 = 56,894.15/x
  3. Step 3: Cross multiply
    102,217.14x = 141,059.66 × 56,894.15
  4. Step 4: Simplify right side
    102,217.14x = 8,025,469,578.71
  5. Step 5: Solve for x
    x = 8,025,469,578.71/102,217.14
  6. Step 6: Final answer
    x = 78,513.93

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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.