Home / 134,680.68-185,860.63-74,253.66

Finding the Fourth Proportional to 134,680.68, 185,860.63 and 74,253.66

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Solution

The fourth proportional to 134,680.68, 185,860.63 and 74,253.66 is: 102,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.68 : 185,860.63 = 74,253.66 : x
  2. Step 2: Convert to fraction form
    134,680.68/185,860.63 = 74,253.66/x
  3. Step 3: Cross multiply
    134,680.68x = 185,860.63 × 74,253.66
  4. Step 4: Simplify right side
    134,680.68x = 13,800,832,027.41
  5. Step 5: Solve for x
    x = 13,800,832,027.41/134,680.68
  6. Step 6: Final answer
    x = 102,470.76

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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.