Home / 234,742.56-323,910-132,740.88

Finding the Fourth Proportional to 234,742.56, 323,910 and 132,740.88

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Solution

The fourth proportional to 234,742.56, 323,910 and 132,740.88 is: 183,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,742.56 : 323,910 = 132,740.88 : x
  2. Step 2: Convert to fraction form
    234,742.56/323,910 = 132,740.88/x
  3. Step 3: Cross multiply
    234,742.56x = 323,910 × 132,740.88
  4. Step 4: Simplify right side
    234,742.56x = 42,996,098,440.80
  5. Step 5: Solve for x
    x = 42,996,098,440.80/234,742.56
  6. Step 6: Final answer
    x = 183,162.77

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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.