Home / 127,701.20-191,540.28-44,590.16

Finding the Fourth Proportional to 127,701.20, 191,540.28 and 44,590.16

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Solution

The fourth proportional to 127,701.20, 191,540.28 and 44,590.16 is: 66,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.20 : 191,540.28 = 44,590.16 : x
  2. Step 2: Convert to fraction form
    127,701.20/191,540.28 = 44,590.16/x
  3. Step 3: Cross multiply
    127,701.20x = 191,540.28 × 44,590.16
  4. Step 4: Simplify right side
    127,701.20x = 8,540,811,731.64
  5. Step 5: Solve for x
    x = 8,540,811,731.64/127,701.20
  6. Step 6: Final answer
    x = 66,881.22

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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.