Home / 418,733.91-627,732.10-166,191.70

Finding the Fourth Proportional to 418,733.91, 627,732.10 and 166,191.70

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Solution

The fourth proportional to 418,733.91, 627,732.10 and 166,191.70 is: 249,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,733.91 : 627,732.10 = 166,191.70 : x
  2. Step 2: Convert to fraction form
    418,733.91/627,732.10 = 166,191.70/x
  3. Step 3: Cross multiply
    418,733.91x = 627,732.10 × 166,191.70
  4. Step 4: Simplify right side
    418,733.91x = 104,323,864,843.57
  5. Step 5: Solve for x
    x = 104,323,864,843.57/418,733.91
  6. Step 6: Final answer
    x = 249,141.19

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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.