Home / 272,247.17-408,390.19-72,566.51

Finding the Fourth Proportional to 272,247.17, 408,390.19 and 72,566.51

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Solution

The fourth proportional to 272,247.17, 408,390.19 and 72,566.51 is: 108,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,247.17 : 408,390.19 = 72,566.51 : x
  2. Step 2: Convert to fraction form
    272,247.17/408,390.19 = 72,566.51/x
  3. Step 3: Cross multiply
    272,247.17x = 408,390.19 × 72,566.51
  4. Step 4: Simplify right side
    272,247.17x = 29,635,448,583.17
  5. Step 5: Solve for x
    x = 29,635,448,583.17/272,247.17
  6. Step 6: Final answer
    x = 108,854.94

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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.