Home / 134,680.64-185,862.10-74,253.83

Finding the Fourth Proportional to 134,680.64, 185,862.10 and 74,253.83

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Solution

The fourth proportional to 134,680.64, 185,862.10 and 74,253.83 is: 102,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.64 : 185,862.10 = 74,253.83 : x
  2. Step 2: Convert to fraction form
    134,680.64/185,862.10 = 74,253.83/x
  3. Step 3: Cross multiply
    134,680.64x = 185,862.10 × 74,253.83
  4. Step 4: Simplify right side
    134,680.64x = 13,800,973,055.86
  5. Step 5: Solve for x
    x = 13,800,973,055.86/134,680.64
  6. Step 6: Final answer
    x = 102,471.84

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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.