Home / 126,731.59-174,895.11-70,142.95

Finding the Fourth Proportional to 126,731.59, 174,895.11 and 70,142.95

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Solution

The fourth proportional to 126,731.59, 174,895.11 and 70,142.95 is: 96,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.59 : 174,895.11 = 70,142.95 : x
  2. Step 2: Convert to fraction form
    126,731.59/174,895.11 = 70,142.95/x
  3. Step 3: Cross multiply
    126,731.59x = 174,895.11 × 70,142.95
  4. Step 4: Simplify right side
    126,731.59x = 12,267,658,955.97
  5. Step 5: Solve for x
    x = 12,267,658,955.97/126,731.59
  6. Step 6: Final answer
    x = 96,800.32

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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.