Home / 127,357.49-191,025.21-43,115.87

Finding the Fourth Proportional to 127,357.49, 191,025.21 and 43,115.87

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Solution

The fourth proportional to 127,357.49, 191,025.21 and 43,115.87 is: 64,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,357.49 : 191,025.21 = 43,115.87 : x
  2. Step 2: Convert to fraction form
    127,357.49/191,025.21 = 43,115.87/x
  3. Step 3: Cross multiply
    127,357.49x = 191,025.21 × 43,115.87
  4. Step 4: Simplify right side
    127,357.49x = 8,236,218,121.08
  5. Step 5: Solve for x
    x = 8,236,218,121.08/127,357.49
  6. Step 6: Final answer
    x = 64,670.07

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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.