Home / 134,186.24-185,219.52-91,729.28

Finding the Fourth Proportional to 134,186.24, 185,219.52 and 91,729.28

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Solution

The fourth proportional to 134,186.24, 185,219.52 and 91,729.28 is: 126,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,186.24 : 185,219.52 = 91,729.28 : x
  2. Step 2: Convert to fraction form
    134,186.24/185,219.52 = 91,729.28/x
  3. Step 3: Cross multiply
    134,186.24x = 185,219.52 × 91,729.28
  4. Step 4: Simplify right side
    134,186.24x = 16,990,053,211.55
  5. Step 5: Solve for x
    x = 16,990,053,211.55/134,186.24
  6. Step 6: Final answer
    x = 126,615.47

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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.