Home / 96,155.64-131,988.51-85,308.12

Finding the Fourth Proportional to 96,155.64, 131,988.51 and 85,308.12

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Solution

The fourth proportional to 96,155.64, 131,988.51 and 85,308.12 is: 117,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,155.64 : 131,988.51 = 85,308.12 : x
  2. Step 2: Convert to fraction form
    96,155.64/131,988.51 = 85,308.12/x
  3. Step 3: Cross multiply
    96,155.64x = 131,988.51 × 85,308.12
  4. Step 4: Simplify right side
    96,155.64x = 11,259,691,649.70
  5. Step 5: Solve for x
    x = 11,259,691,649.70/96,155.64
  6. Step 6: Final answer
    x = 117,098.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.