Home / 158,987.05-219,354.28-95,301.61

Finding the Fourth Proportional to 158,987.05, 219,354.28 and 95,301.61

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Solution

The fourth proportional to 158,987.05, 219,354.28 and 95,301.61 is: 131,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,987.05 : 219,354.28 = 95,301.61 : x
  2. Step 2: Convert to fraction form
    158,987.05/219,354.28 = 95,301.61/x
  3. Step 3: Cross multiply
    158,987.05x = 219,354.28 × 95,301.61
  4. Step 4: Simplify right side
    158,987.05x = 20,904,816,044.39
  5. Step 5: Solve for x
    x = 20,904,816,044.39/158,987.05
  6. Step 6: Final answer
    x = 131,487.54

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1.5x scale

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.