Home / 126,934.29-190,411.02-42,694.70

Finding the Fourth Proportional to 126,934.29, 190,411.02 and 42,694.70

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Solution

The fourth proportional to 126,934.29, 190,411.02 and 42,694.70 is: 64,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,934.29 : 190,411.02 = 42,694.70 : x
  2. Step 2: Convert to fraction form
    126,934.29/190,411.02 = 42,694.70/x
  3. Step 3: Cross multiply
    126,934.29x = 190,411.02 × 42,694.70
  4. Step 4: Simplify right side
    126,934.29x = 8,129,540,423.54
  5. Step 5: Solve for x
    x = 8,129,540,423.54/126,934.29
  6. Step 6: Final answer
    x = 64,045.27

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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.