Home / 317,121.18-475,635.65-92,421.29

Finding the Fourth Proportional to 317,121.18, 475,635.65 and 92,421.29

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Solution

The fourth proportional to 317,121.18, 475,635.65 and 92,421.29 is: 138,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,121.18 : 475,635.65 = 92,421.29 : x
  2. Step 2: Convert to fraction form
    317,121.18/475,635.65 = 92,421.29/x
  3. Step 3: Cross multiply
    317,121.18x = 475,635.65 × 92,421.29
  4. Step 4: Simplify right side
    317,121.18x = 43,958,857,502.70
  5. Step 5: Solve for x
    x = 43,958,857,502.70/317,121.18
  6. Step 6: Final answer
    x = 138,618.48

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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.