Home / 174,387.73-261,363.24-74,430.90

Finding the Fourth Proportional to 174,387.73, 261,363.24 and 74,430.90

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Solution

The fourth proportional to 174,387.73, 261,363.24 and 74,430.90 is: 111,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,387.73 : 261,363.24 = 74,430.90 : x
  2. Step 2: Convert to fraction form
    174,387.73/261,363.24 = 74,430.90/x
  3. Step 3: Cross multiply
    174,387.73x = 261,363.24 × 74,430.90
  4. Step 4: Simplify right side
    174,387.73x = 19,453,501,180.12
  5. Step 5: Solve for x
    x = 19,453,501,180.12/174,387.73
  6. Step 6: Final answer
    x = 111,553.15

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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.