Home / 325,049.11-487,615.11-125,426.50

Finding the Fourth Proportional to 325,049.11, 487,615.11 and 125,426.50

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Solution

The fourth proportional to 325,049.11, 487,615.11 and 125,426.50 is: 188,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,049.11 : 487,615.11 = 125,426.50 : x
  2. Step 2: Convert to fraction form
    325,049.11/487,615.11 = 125,426.50/x
  3. Step 3: Cross multiply
    325,049.11x = 487,615.11 × 125,426.50
  4. Step 4: Simplify right side
    325,049.11x = 61,159,856,594.42
  5. Step 5: Solve for x
    x = 61,159,856,594.42/325,049.11
  6. Step 6: Final answer
    x = 188,155.74

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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.