Home / 126,187.20-173,957.58-99,283.32

Finding the Fourth Proportional to 126,187.20, 173,957.58 and 99,283.32

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Solution

The fourth proportional to 126,187.20, 173,957.58 and 99,283.32 is: 136,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187.20 : 173,957.58 = 99,283.32 : x
  2. Step 2: Convert to fraction form
    126,187.20/173,957.58 = 99,283.32/x
  3. Step 3: Cross multiply
    126,187.20x = 173,957.58 × 99,283.32
  4. Step 4: Simplify right side
    126,187.20x = 17,271,086,081.57
  5. Step 5: Solve for x
    x = 17,271,086,081.57/126,187.20
  6. Step 6: Final answer
    x = 136,868.76

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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.