Home / 151,617.60-227,426.40-85,104.45

Finding the Fourth Proportional to 151,617.60, 227,426.40 and 85,104.45

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Solution

The fourth proportional to 151,617.60, 227,426.40 and 85,104.45 is: 127,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,617.60 : 227,426.40 = 85,104.45 : x
  2. Step 2: Convert to fraction form
    151,617.60/227,426.40 = 85,104.45/x
  3. Step 3: Cross multiply
    151,617.60x = 227,426.40 × 85,104.45
  4. Step 4: Simplify right side
    151,617.60x = 19,354,998,687.48
  5. Step 5: Solve for x
    x = 19,354,998,687.48/151,617.60
  6. Step 6: Final answer
    x = 127,656.68

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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.