Home / 183,869.28-253,708.92-108,432.72

Finding the Fourth Proportional to 183,869.28, 253,708.92 and 108,432.72

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Solution

The fourth proportional to 183,869.28, 253,708.92 and 108,432.72 is: 149,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,869.28 : 253,708.92 = 108,432.72 : x
  2. Step 2: Convert to fraction form
    183,869.28/253,708.92 = 108,432.72/x
  3. Step 3: Cross multiply
    183,869.28x = 253,708.92 × 108,432.72
  4. Step 4: Simplify right side
    183,869.28x = 27,510,348,283.86
  5. Step 5: Solve for x
    x = 27,510,348,283.86/183,869.28
  6. Step 6: Final answer
    x = 149,619.06

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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.