Home / 111,265.83-153,546.66-60,279.86

Finding the Fourth Proportional to 111,265.83, 153,546.66 and 60,279.86

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Solution

The fourth proportional to 111,265.83, 153,546.66 and 60,279.86 is: 83,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.83 : 153,546.66 = 60,279.86 : x
  2. Step 2: Convert to fraction form
    111,265.83/153,546.66 = 60,279.86/x
  3. Step 3: Cross multiply
    111,265.83x = 153,546.66 × 60,279.86
  4. Step 4: Simplify right side
    111,265.83x = 9,255,770,400.53
  5. Step 5: Solve for x
    x = 9,255,770,400.53/111,265.83
  6. Step 6: Final answer
    x = 83,186.10

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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.