Home / 177,143.12-244,439.78-99,610.55

Finding the Fourth Proportional to 177,143.12, 244,439.78 and 99,610.55

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Solution

The fourth proportional to 177,143.12, 244,439.78 and 99,610.55 is: 137,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143.12 : 244,439.78 = 99,610.55 : x
  2. Step 2: Convert to fraction form
    177,143.12/244,439.78 = 99,610.55/x
  3. Step 3: Cross multiply
    177,143.12x = 244,439.78 × 99,610.55
  4. Step 4: Simplify right side
    177,143.12x = 24,348,779,207.43
  5. Step 5: Solve for x
    x = 24,348,779,207.43/177,143.12
  6. Step 6: Final answer
    x = 137,452.59

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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.