Home / 127,387.96-191,082.40-38,642.24

Finding the Fourth Proportional to 127,387.96, 191,082.40 and 38,642.24

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Solution

The fourth proportional to 127,387.96, 191,082.40 and 38,642.24 is: 57,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,387.96 : 191,082.40 = 38,642.24 : x
  2. Step 2: Convert to fraction form
    127,387.96/191,082.40 = 38,642.24/x
  3. Step 3: Cross multiply
    127,387.96x = 191,082.40 × 38,642.24
  4. Step 4: Simplify right side
    127,387.96x = 7,383,851,960.58
  5. Step 5: Solve for x
    x = 7,383,851,960.58/127,387.96
  6. Step 6: Final answer
    x = 57,963.50

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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.