Home / 113,591.08-156,755.82-65,872.16

Finding the Fourth Proportional to 113,591.08, 156,755.82 and 65,872.16

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Solution

The fourth proportional to 113,591.08, 156,755.82 and 65,872.16 is: 90,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,591.08 : 156,755.82 = 65,872.16 : x
  2. Step 2: Convert to fraction form
    113,591.08/156,755.82 = 65,872.16/x
  3. Step 3: Cross multiply
    113,591.08x = 156,755.82 × 65,872.16
  4. Step 4: Simplify right side
    113,591.08x = 10,325,844,455.97
  5. Step 5: Solve for x
    x = 10,325,844,455.97/113,591.08
  6. Step 6: Final answer
    x = 90,903.66

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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.