Home / 126,205.20-189,252.36-47,264.10

Finding the Fourth Proportional to 126,205.20, 189,252.36 and 47,264.10

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Solution

The fourth proportional to 126,205.20, 189,252.36 and 47,264.10 is: 70,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,205.20 : 189,252.36 = 47,264.10 : x
  2. Step 2: Convert to fraction form
    126,205.20/189,252.36 = 47,264.10/x
  3. Step 3: Cross multiply
    126,205.20x = 189,252.36 × 47,264.10
  4. Step 4: Simplify right side
    126,205.20x = 8,944,842,468.28
  5. Step 5: Solve for x
    x = 8,944,842,468.28/126,205.20
  6. Step 6: Final answer
    x = 70,875.39

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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.