Home / 176,663.03-243,691.19-111,147.69

Finding the Fourth Proportional to 176,663.03, 243,691.19 and 111,147.69

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Solution

The fourth proportional to 176,663.03, 243,691.19 and 111,147.69 is: 153,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,663.03 : 243,691.19 = 111,147.69 : x
  2. Step 2: Convert to fraction form
    176,663.03/243,691.19 = 111,147.69/x
  3. Step 3: Cross multiply
    176,663.03x = 243,691.19 × 111,147.69
  4. Step 4: Simplify right side
    176,663.03x = 27,085,713,119.72
  5. Step 5: Solve for x
    x = 27,085,713,119.72/176,663.03
  6. Step 6: Final answer
    x = 153,318.52

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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.