Home / 126,100.16-189,177.88-37,360.64

Finding the Fourth Proportional to 126,100.16, 189,177.88 and 37,360.64

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Solution

The fourth proportional to 126,100.16, 189,177.88 and 37,360.64 is: 56,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,100.16 : 189,177.88 = 37,360.64 : x
  2. Step 2: Convert to fraction form
    126,100.16/189,177.88 = 37,360.64/x
  3. Step 3: Cross multiply
    126,100.16x = 189,177.88 × 37,360.64
  4. Step 4: Simplify right side
    126,100.16x = 7,067,806,670.64
  5. Step 5: Solve for x
    x = 7,067,806,670.64/126,100.16
  6. Step 6: Final answer
    x = 56,049.15

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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.