Home / 127,920.08-191,763.96-44,768.72

Finding the Fourth Proportional to 127,920.08, 191,763.96 and 44,768.72

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Solution

The fourth proportional to 127,920.08, 191,763.96 and 44,768.72 is: 67,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920.08 : 191,763.96 = 44,768.72 : x
  2. Step 2: Convert to fraction form
    127,920.08/191,763.96 = 44,768.72/x
  3. Step 3: Cross multiply
    127,920.08x = 191,763.96 × 44,768.72
  4. Step 4: Simplify right side
    127,920.08x = 8,585,027,031.33
  5. Step 5: Solve for x
    x = 8,585,027,031.33/127,920.08
  6. Step 6: Final answer
    x = 67,112.43

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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.