Home / 127,314.76-191,733.80-115,964.75

Finding the Fourth Proportional to 127,314.76, 191,733.80 and 115,964.75

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Solution

The fourth proportional to 127,314.76, 191,733.80 and 115,964.75 is: 174,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,314.76 : 191,733.80 = 115,964.75 : x
  2. Step 2: Convert to fraction form
    127,314.76/191,733.80 = 115,964.75/x
  3. Step 3: Cross multiply
    127,314.76x = 191,733.80 × 115,964.75
  4. Step 4: Simplify right side
    127,314.76x = 22,234,361,406.08
  5. Step 5: Solve for x
    x = 22,234,361,406.08/127,314.76
  6. Step 6: Final answer
    x = 174,640.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.