Home / 127,257.38-190,801.82-60,707.78

Finding the Fourth Proportional to 127,257.38, 190,801.82 and 60,707.78

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Solution

The fourth proportional to 127,257.38, 190,801.82 and 60,707.78 is: 91,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,257.38 : 190,801.82 = 60,707.78 : x
  2. Step 2: Convert to fraction form
    127,257.38/190,801.82 = 60,707.78/x
  3. Step 3: Cross multiply
    127,257.38x = 190,801.82 × 60,707.78
  4. Step 4: Simplify right side
    127,257.38x = 11,583,153,654.61
  5. Step 5: Solve for x
    x = 11,583,153,654.61/127,257.38
  6. Step 6: Final answer
    x = 91,021.47

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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.