Home / 127,356.19-191,034.79-38,610.46

Finding the Fourth Proportional to 127,356.19, 191,034.79 and 38,610.46

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Solution

The fourth proportional to 127,356.19, 191,034.79 and 38,610.46 is: 57,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.19 : 191,034.79 = 38,610.46 : x
  2. Step 2: Convert to fraction form
    127,356.19/191,034.79 = 38,610.46/x
  3. Step 3: Cross multiply
    127,356.19x = 191,034.79 × 38,610.46
  4. Step 4: Simplify right side
    127,356.19x = 7,375,941,154.42
  5. Step 5: Solve for x
    x = 7,375,941,154.42/127,356.19
  6. Step 6: Final answer
    x = 57,915.85

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1.5x scale

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.