Home / 126,805.04-190,180.02-38,034.72

Finding the Fourth Proportional to 126,805.04, 190,180.02 and 38,034.72

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Solution

The fourth proportional to 126,805.04, 190,180.02 and 38,034.72 is: 57,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,805.04 : 190,180.02 = 38,034.72 : x
  2. Step 2: Convert to fraction form
    126,805.04/190,180.02 = 38,034.72/x
  3. Step 3: Cross multiply
    126,805.04x = 190,180.02 × 38,034.72
  4. Step 4: Simplify right side
    126,805.04x = 7,233,443,810.29
  5. Step 5: Solve for x
    x = 7,233,443,810.29/126,805.04
  6. Step 6: Final answer
    x = 57,043.82

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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.