Home / 158,987.30-219,354.63-95,301.86

Finding the Fourth Proportional to 158,987.30, 219,354.63 and 95,301.86

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Solution

The fourth proportional to 158,987.30, 219,354.63 and 95,301.86 is: 131,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,987.30 : 219,354.63 = 95,301.86 : x
  2. Step 2: Convert to fraction form
    158,987.30/219,354.63 = 95,301.86/x
  3. Step 3: Cross multiply
    158,987.30x = 219,354.63 × 95,301.86
  4. Step 4: Simplify right side
    158,987.30x = 20,904,904,238.61
  5. Step 5: Solve for x
    x = 20,904,904,238.61/158,987.30
  6. Step 6: Final answer
    x = 131,487.89

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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.