Home / 147,659.40-221,489.10-108,001.80

Finding the Fourth Proportional to 147,659.40, 221,489.10 and 108,001.80

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Solution

The fourth proportional to 147,659.40, 221,489.10 and 108,001.80 is: 162,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,659.40 : 221,489.10 = 108,001.80 : x
  2. Step 2: Convert to fraction form
    147,659.40/221,489.10 = 108,001.80/x
  3. Step 3: Cross multiply
    147,659.40x = 221,489.10 × 108,001.80
  4. Step 4: Simplify right side
    147,659.40x = 23,921,221,480.38
  5. Step 5: Solve for x
    x = 23,921,221,480.38/147,659.40
  6. Step 6: Final answer
    x = 162,002.70

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1.5x scale

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.