Home / 236,305.15-354,510.60-86,542.45

Finding the Fourth Proportional to 236,305.15, 354,510.60 and 86,542.45

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Solution

The fourth proportional to 236,305.15, 354,510.60 and 86,542.45 is: 129,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,305.15 : 354,510.60 = 86,542.45 : x
  2. Step 2: Convert to fraction form
    236,305.15/354,510.60 = 86,542.45/x
  3. Step 3: Cross multiply
    236,305.15x = 354,510.60 × 86,542.45
  4. Step 4: Simplify right side
    236,305.15x = 30,680,215,874.97
  5. Step 5: Solve for x
    x = 30,680,215,874.97/236,305.15
  6. Step 6: Final answer
    x = 129,833.04

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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.