Home / 126,256.44-189,384.66-43,151.16

Finding the Fourth Proportional to 126,256.44, 189,384.66 and 43,151.16

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Solution

The fourth proportional to 126,256.44, 189,384.66 and 43,151.16 is: 64,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,256.44 : 189,384.66 = 43,151.16 : x
  2. Step 2: Convert to fraction form
    126,256.44/189,384.66 = 43,151.16/x
  3. Step 3: Cross multiply
    126,256.44x = 189,384.66 × 43,151.16
  4. Step 4: Simplify right side
    126,256.44x = 8,172,167,765.21
  5. Step 5: Solve for x
    x = 8,172,167,765.21/126,256.44
  6. Step 6: Final answer
    x = 64,726.74

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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.