Home / 165,001.70-247,502.55-118,691.30

Finding the Fourth Proportional to 165,001.70, 247,502.55 and 118,691.30

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Solution

The fourth proportional to 165,001.70, 247,502.55 and 118,691.30 is: 178,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,001.70 : 247,502.55 = 118,691.30 : x
  2. Step 2: Convert to fraction form
    165,001.70/247,502.55 = 118,691.30/x
  3. Step 3: Cross multiply
    165,001.70x = 247,502.55 × 118,691.30
  4. Step 4: Simplify right side
    165,001.70x = 29,376,399,412.82
  5. Step 5: Solve for x
    x = 29,376,399,412.82/165,001.70
  6. Step 6: Final answer
    x = 178,036.95

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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.