Home / 125,231.79-187,760.19-46,335.78

Finding the Fourth Proportional to 125,231.79, 187,760.19 and 46,335.78

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Solution

The fourth proportional to 125,231.79, 187,760.19 and 46,335.78 is: 69,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231.79 : 187,760.19 = 46,335.78 : x
  2. Step 2: Convert to fraction form
    125,231.79/187,760.19 = 46,335.78/x
  3. Step 3: Cross multiply
    125,231.79x = 187,760.19 × 46,335.78
  4. Step 4: Simplify right side
    125,231.79x = 8,700,014,856.60
  5. Step 5: Solve for x
    x = 8,700,014,856.60/125,231.79
  6. Step 6: Final answer
    x = 69,471.30

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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.