Home / 155,132.26-214,082.40-88,064.26

Finding the Fourth Proportional to 155,132.26, 214,082.40 and 88,064.26

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Solution

The fourth proportional to 155,132.26, 214,082.40 and 88,064.26 is: 121,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,132.26 : 214,082.40 = 88,064.26 : x
  2. Step 2: Convert to fraction form
    155,132.26/214,082.40 = 88,064.26/x
  3. Step 3: Cross multiply
    155,132.26x = 214,082.40 × 88,064.26
  4. Step 4: Simplify right side
    155,132.26x = 18,853,008,135.02
  5. Step 5: Solve for x
    x = 18,853,008,135.02/155,132.26
  6. Step 6: Final answer
    x = 121,528.61

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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.