Home / 134,335.31-185,382.74-73,904.66

Finding the Fourth Proportional to 134,335.31, 185,382.74 and 73,904.66

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Solution

The fourth proportional to 134,335.31, 185,382.74 and 73,904.66 is: 101,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,335.31 : 185,382.74 = 73,904.66 : x
  2. Step 2: Convert to fraction form
    134,335.31/185,382.74 = 73,904.66/x
  3. Step 3: Cross multiply
    134,335.31x = 185,382.74 × 73,904.66
  4. Step 4: Simplify right side
    134,335.31x = 13,700,647,073.13
  5. Step 5: Solve for x
    x = 13,700,647,073.13/134,335.31
  6. Step 6: Final answer
    x = 101,988.43

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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.