Home / 126,260.82-189,342.06-47,332.02

Finding the Fourth Proportional to 126,260.82, 189,342.06 and 47,332.02

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Solution

The fourth proportional to 126,260.82, 189,342.06 and 47,332.02 is: 70,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,260.82 : 189,342.06 = 47,332.02 : x
  2. Step 2: Convert to fraction form
    126,260.82/189,342.06 = 47,332.02/x
  3. Step 3: Cross multiply
    126,260.82x = 189,342.06 × 47,332.02
  4. Step 4: Simplify right side
    126,260.82x = 8,961,942,170.76
  5. Step 5: Solve for x
    x = 8,961,942,170.76/126,260.82
  6. Step 6: Final answer
    x = 70,979.60

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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.