Home / 153,234.20-229,851.30-74,502.20

Finding the Fourth Proportional to 153,234.20, 229,851.30 and 74,502.20

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Solution

The fourth proportional to 153,234.20, 229,851.30 and 74,502.20 is: 111,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,234.20 : 229,851.30 = 74,502.20 : x
  2. Step 2: Convert to fraction form
    153,234.20/229,851.30 = 74,502.20/x
  3. Step 3: Cross multiply
    153,234.20x = 229,851.30 × 74,502.20
  4. Step 4: Simplify right side
    153,234.20x = 17,124,427,522.86
  5. Step 5: Solve for x
    x = 17,124,427,522.86/153,234.20
  6. Step 6: Final answer
    x = 111,753.30

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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.