Home / 147,403.52-203,449.66-93,678.04

Finding the Fourth Proportional to 147,403.52, 203,449.66 and 93,678.04

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Solution

The fourth proportional to 147,403.52, 203,449.66 and 93,678.04 is: 129,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.52 : 203,449.66 = 93,678.04 : x
  2. Step 2: Convert to fraction form
    147,403.52/203,449.66 = 93,678.04/x
  3. Step 3: Cross multiply
    147,403.52x = 203,449.66 × 93,678.04
  4. Step 4: Simplify right side
    147,403.52x = 19,058,765,387.47
  5. Step 5: Solve for x
    x = 19,058,765,387.47/147,403.52
  6. Step 6: Final answer
    x = 129,296.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.