Home / 133,789.23-184,726.01-86,125.61

Finding the Fourth Proportional to 133,789.23, 184,726.01 and 86,125.61

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Solution

The fourth proportional to 133,789.23, 184,726.01 and 86,125.61 is: 118,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,789.23 : 184,726.01 = 86,125.61 : x
  2. Step 2: Convert to fraction form
    133,789.23/184,726.01 = 86,125.61/x
  3. Step 3: Cross multiply
    133,789.23x = 184,726.01 × 86,125.61
  4. Step 4: Simplify right side
    133,789.23x = 15,909,640,294.12
  5. Step 5: Solve for x
    x = 15,909,640,294.12/133,789.23
  6. Step 6: Final answer
    x = 118,915.70

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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.