Home / 112,597.22-155,205.51-88,686.02

Finding the Fourth Proportional to 112,597.22, 155,205.51 and 88,686.02

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Solution

The fourth proportional to 112,597.22, 155,205.51 and 88,686.02 is: 122,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.22 : 155,205.51 = 88,686.02 : x
  2. Step 2: Convert to fraction form
    112,597.22/155,205.51 = 88,686.02/x
  3. Step 3: Cross multiply
    112,597.22x = 155,205.51 × 88,686.02
  4. Step 4: Simplify right side
    112,597.22x = 13,764,558,963.97
  5. Step 5: Solve for x
    x = 13,764,558,963.97/112,597.22
  6. Step 6: Final answer
    x = 122,245.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.