Home / 132,708.51-199,155.20-57,790.04

Finding the Fourth Proportional to 132,708.51, 199,155.20 and 57,790.04

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Solution

The fourth proportional to 132,708.51, 199,155.20 and 57,790.04 is: 86,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,708.51 : 199,155.20 = 57,790.04 : x
  2. Step 2: Convert to fraction form
    132,708.51/199,155.20 = 57,790.04/x
  3. Step 3: Cross multiply
    132,708.51x = 199,155.20 × 57,790.04
  4. Step 4: Simplify right side
    132,708.51x = 11,509,185,689.48
  5. Step 5: Solve for x
    x = 11,509,185,689.48/132,708.51
  6. Step 6: Final answer
    x = 86,725.30

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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.