Home / 236,716.20-354,862.89-86,921.69

Finding the Fourth Proportional to 236,716.20, 354,862.89 and 86,921.69

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Solution

The fourth proportional to 236,716.20, 354,862.89 and 86,921.69 is: 130,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,716.20 : 354,862.89 = 86,921.69 : x
  2. Step 2: Convert to fraction form
    236,716.20/354,862.89 = 86,921.69/x
  3. Step 3: Cross multiply
    236,716.20x = 354,862.89 × 86,921.69
  4. Step 4: Simplify right side
    236,716.20x = 30,845,280,342.77
  5. Step 5: Solve for x
    x = 30,845,280,342.77/236,716.20
  6. Step 6: Final answer
    x = 130,304.90

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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.