Home / 121,306.17-181,986.95-37,078.32

Finding the Fourth Proportional to 121,306.17, 181,986.95 and 37,078.32

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Solution

The fourth proportional to 121,306.17, 181,986.95 and 37,078.32 is: 55,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.17 : 181,986.95 = 37,078.32 : x
  2. Step 2: Convert to fraction form
    121,306.17/181,986.95 = 37,078.32/x
  3. Step 3: Cross multiply
    121,306.17x = 181,986.95 × 37,078.32
  4. Step 4: Simplify right side
    121,306.17x = 6,747,770,367.92
  5. Step 5: Solve for x
    x = 6,747,770,367.92/121,306.17
  6. Step 6: Final answer
    x = 55,625.95

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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.