Home / 156,044.40-234,066.60-129,778.80

Finding the Fourth Proportional to 156,044.40, 234,066.60 and 129,778.80

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Solution

The fourth proportional to 156,044.40, 234,066.60 and 129,778.80 is: 194,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,044.40 : 234,066.60 = 129,778.80 : x
  2. Step 2: Convert to fraction form
    156,044.40/234,066.60 = 129,778.80/x
  3. Step 3: Cross multiply
    156,044.40x = 234,066.60 × 129,778.80
  4. Step 4: Simplify right side
    156,044.40x = 30,376,882,468.08
  5. Step 5: Solve for x
    x = 30,376,882,468.08/156,044.40
  6. Step 6: Final answer
    x = 194,668.20

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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.