Home / 156,076.85-215,387.84-88,097.60

Finding the Fourth Proportional to 156,076.85, 215,387.84 and 88,097.60

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Solution

The fourth proportional to 156,076.85, 215,387.84 and 88,097.60 is: 121,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,076.85 : 215,387.84 = 88,097.60 : x
  2. Step 2: Convert to fraction form
    156,076.85/215,387.84 = 88,097.60/x
  3. Step 3: Cross multiply
    156,076.85x = 215,387.84 × 88,097.60
  4. Step 4: Simplify right side
    156,076.85x = 18,975,151,773.18
  5. Step 5: Solve for x
    x = 18,975,151,773.18/156,076.85
  6. Step 6: Final answer
    x = 121,575.70

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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.