Home / 126,868.77-175,097.55-73,143.29

Finding the Fourth Proportional to 126,868.77, 175,097.55 and 73,143.29

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Solution

The fourth proportional to 126,868.77, 175,097.55 and 73,143.29 is: 100,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,868.77 : 175,097.55 = 73,143.29 : x
  2. Step 2: Convert to fraction form
    126,868.77/175,097.55 = 73,143.29/x
  3. Step 3: Cross multiply
    126,868.77x = 175,097.55 × 73,143.29
  4. Step 4: Simplify right side
    126,868.77x = 12,807,210,002.45
  5. Step 5: Solve for x
    x = 12,807,210,002.45/126,868.77
  6. Step 6: Final answer
    x = 100,948.48

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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.