Home / 115,173.48-158,885.10-67,397.52

Finding the Fourth Proportional to 115,173.48, 158,885.10 and 67,397.52

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Solution

The fourth proportional to 115,173.48, 158,885.10 and 67,397.52 is: 92,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,173.48 : 158,885.10 = 67,397.52 : x
  2. Step 2: Convert to fraction form
    115,173.48/158,885.10 = 67,397.52/x
  3. Step 3: Cross multiply
    115,173.48x = 158,885.10 × 67,397.52
  4. Step 4: Simplify right side
    115,173.48x = 10,708,461,704.95
  5. Step 5: Solve for x
    x = 10,708,461,704.95/115,173.48
  6. Step 6: Final answer
    x = 92,976.80

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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.