Home / 136,387.64-204,689.48-57,556.28

Finding the Fourth Proportional to 136,387.64, 204,689.48 and 57,556.28

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Solution

The fourth proportional to 136,387.64, 204,689.48 and 57,556.28 is: 86,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,387.64 : 204,689.48 = 57,556.28 : x
  2. Step 2: Convert to fraction form
    136,387.64/204,689.48 = 57,556.28/x
  3. Step 3: Cross multiply
    136,387.64x = 204,689.48 × 57,556.28
  4. Step 4: Simplify right side
    136,387.64x = 11,781,165,023.93
  5. Step 5: Solve for x
    x = 11,781,165,023.93/136,387.64
  6. Step 6: Final answer
    x = 86,380.00

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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.