Home / 316,937.24-475,423.17-80,281.97

Finding the Fourth Proportional to 316,937.24, 475,423.17 and 80,281.97

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Solution

The fourth proportional to 316,937.24, 475,423.17 and 80,281.97 is: 120,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,937.24 : 475,423.17 = 80,281.97 : x
  2. Step 2: Convert to fraction form
    316,937.24/475,423.17 = 80,281.97/x
  3. Step 3: Cross multiply
    316,937.24x = 475,423.17 × 80,281.97
  4. Step 4: Simplify right side
    316,937.24x = 38,167,908,227.49
  5. Step 5: Solve for x
    x = 38,167,908,227.49/316,937.24
  6. Step 6: Final answer
    x = 120,427.34

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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.