Home / 176,538.76-243,618.36-100,064.89

Finding the Fourth Proportional to 176,538.76, 243,618.36 and 100,064.89

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Solution

The fourth proportional to 176,538.76, 243,618.36 and 100,064.89 is: 138,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,538.76 : 243,618.36 = 100,064.89 : x
  2. Step 2: Convert to fraction form
    176,538.76/243,618.36 = 100,064.89/x
  3. Step 3: Cross multiply
    176,538.76x = 243,618.36 × 100,064.89
  4. Step 4: Simplify right side
    176,538.76x = 24,377,645,291.27
  5. Step 5: Solve for x
    x = 24,377,645,291.27/176,538.76
  6. Step 6: Final answer
    x = 138,086.65

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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.