Home / 102,238.12-141,088.50-57,526.12

Finding the Fourth Proportional to 102,238.12, 141,088.50 and 57,526.12

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Solution

The fourth proportional to 102,238.12, 141,088.50 and 57,526.12 is: 79,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,238.12 : 141,088.50 = 57,526.12 : x
  2. Step 2: Convert to fraction form
    102,238.12/141,088.50 = 57,526.12/x
  3. Step 3: Cross multiply
    102,238.12x = 141,088.50 × 57,526.12
  4. Step 4: Simplify right side
    102,238.12x = 8,116,273,981.62
  5. Step 5: Solve for x
    x = 8,116,273,981.62/102,238.12
  6. Step 6: Final answer
    x = 79,385.99

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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.