Home / 177,385.10-266,110.05-72,214.70

Finding the Fourth Proportional to 177,385.10, 266,110.05 and 72,214.70

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Solution

The fourth proportional to 177,385.10, 266,110.05 and 72,214.70 is: 108,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,385.10 : 266,110.05 = 72,214.70 : x
  2. Step 2: Convert to fraction form
    177,385.10/266,110.05 = 72,214.70/x
  3. Step 3: Cross multiply
    177,385.10x = 266,110.05 × 72,214.70
  4. Step 4: Simplify right side
    177,385.10x = 19,217,057,427.74
  5. Step 5: Solve for x
    x = 19,217,057,427.74/177,385.10
  6. Step 6: Final answer
    x = 108,335.24

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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.