Home / 175,790.68-242,634.54-100,382.92

Finding the Fourth Proportional to 175,790.68, 242,634.54 and 100,382.92

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Solution

The fourth proportional to 175,790.68, 242,634.54 and 100,382.92 is: 138,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,790.68 : 242,634.54 = 100,382.92 : x
  2. Step 2: Convert to fraction form
    175,790.68/242,634.54 = 100,382.92/x
  3. Step 3: Cross multiply
    175,790.68x = 242,634.54 × 100,382.92
  4. Step 4: Simplify right side
    175,790.68x = 24,356,363,618.06
  5. Step 5: Solve for x
    x = 24,356,363,618.06/175,790.68
  6. Step 6: Final answer
    x = 138,553.21

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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.