Home / 127,587.32-191,380.76-43,356.24

Finding the Fourth Proportional to 127,587.32, 191,380.76 and 43,356.24

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Solution

The fourth proportional to 127,587.32, 191,380.76 and 43,356.24 is: 65,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587.32 : 191,380.76 = 43,356.24 : x
  2. Step 2: Convert to fraction form
    127,587.32/191,380.76 = 43,356.24/x
  3. Step 3: Cross multiply
    127,587.32x = 191,380.76 × 43,356.24
  4. Step 4: Simplify right side
    127,587.32x = 8,297,550,161.94
  5. Step 5: Solve for x
    x = 8,297,550,161.94/127,587.32
  6. Step 6: Final answer
    x = 65,034.29

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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.