Home / 127,444.78-191,154.83-38,699.06

Finding the Fourth Proportional to 127,444.78, 191,154.83 and 38,699.06

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Solution

The fourth proportional to 127,444.78, 191,154.83 and 38,699.06 is: 58,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,444.78 : 191,154.83 = 38,699.06 : x
  2. Step 2: Convert to fraction form
    127,444.78/191,154.83 = 38,699.06/x
  3. Step 3: Cross multiply
    127,444.78x = 191,154.83 × 38,699.06
  4. Step 4: Simplify right side
    127,444.78x = 7,397,511,086.19
  5. Step 5: Solve for x
    x = 7,397,511,086.19/127,444.78
  6. Step 6: Final answer
    x = 58,044.83

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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.