Home / 123,691.25-170,588.54-95,080.16

Finding the Fourth Proportional to 123,691.25, 170,588.54 and 95,080.16

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Solution

The fourth proportional to 123,691.25, 170,588.54 and 95,080.16 is: 131,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,691.25 : 170,588.54 = 95,080.16 : x
  2. Step 2: Convert to fraction form
    123,691.25/170,588.54 = 95,080.16/x
  3. Step 3: Cross multiply
    123,691.25x = 170,588.54 × 95,080.16
  4. Step 4: Simplify right side
    123,691.25x = 16,219,584,349.02
  5. Step 5: Solve for x
    x = 16,219,584,349.02/123,691.25
  6. Step 6: Final answer
    x = 131,129.61

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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.