Home / 126,251.22-189,327.42-47,322.40

Finding the Fourth Proportional to 126,251.22, 189,327.42 and 47,322.40

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Solution

The fourth proportional to 126,251.22, 189,327.42 and 47,322.40 is: 70,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.22 : 189,327.42 = 47,322.40 : x
  2. Step 2: Convert to fraction form
    126,251.22/189,327.42 = 47,322.40/x
  3. Step 3: Cross multiply
    126,251.22x = 189,327.42 × 47,322.40
  4. Step 4: Simplify right side
    126,251.22x = 8,959,427,900.21
  5. Step 5: Solve for x
    x = 8,959,427,900.21/126,251.22
  6. Step 6: Final answer
    x = 70,965.08

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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.