Home / 134,921.60-202,382.40-108,677.60

Finding the Fourth Proportional to 134,921.60, 202,382.40 and 108,677.60

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Solution

The fourth proportional to 134,921.60, 202,382.40 and 108,677.60 is: 163,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,921.60 : 202,382.40 = 108,677.60 : x
  2. Step 2: Convert to fraction form
    134,921.60/202,382.40 = 108,677.60/x
  3. Step 3: Cross multiply
    134,921.60x = 202,382.40 × 108,677.60
  4. Step 4: Simplify right side
    134,921.60x = 21,994,433,514.24
  5. Step 5: Solve for x
    x = 21,994,433,514.24/134,921.60
  6. Step 6: Final answer
    x = 163,016.40

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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.