Home / 134,661.20-202,040.02-57,691.90

Finding the Fourth Proportional to 134,661.20, 202,040.02 and 57,691.90

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Solution

The fourth proportional to 134,661.20, 202,040.02 and 57,691.90 is: 86,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661.20 : 202,040.02 = 57,691.90 : x
  2. Step 2: Convert to fraction form
    134,661.20/202,040.02 = 57,691.90/x
  3. Step 3: Cross multiply
    134,661.20x = 202,040.02 × 57,691.90
  4. Step 4: Simplify right side
    134,661.20x = 11,656,071,619.64
  5. Step 5: Solve for x
    x = 11,656,071,619.64/134,661.20
  6. Step 6: Final answer
    x = 86,558.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.