Home / 133,094.13-199,565.86-54,115.49

Finding the Fourth Proportional to 133,094.13, 199,565.86 and 54,115.49

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Solution

The fourth proportional to 133,094.13, 199,565.86 and 54,115.49 is: 81,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.13 : 199,565.86 = 54,115.49 : x
  2. Step 2: Convert to fraction form
    133,094.13/199,565.86 = 54,115.49/x
  3. Step 3: Cross multiply
    133,094.13x = 199,565.86 × 54,115.49
  4. Step 4: Simplify right side
    133,094.13x = 10,799,604,301.17
  5. Step 5: Solve for x
    x = 10,799,604,301.17/133,094.13
  6. Step 6: Final answer
    x = 81,142.60

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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.