Home / 125,122.86-187,709.40-55,002.24

Finding the Fourth Proportional to 125,122.86, 187,709.40 and 55,002.24

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Solution

The fourth proportional to 125,122.86, 187,709.40 and 55,002.24 is: 82,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,122.86 : 187,709.40 = 55,002.24 : x
  2. Step 2: Convert to fraction form
    125,122.86/187,709.40 = 55,002.24/x
  3. Step 3: Cross multiply
    125,122.86x = 187,709.40 × 55,002.24
  4. Step 4: Simplify right side
    125,122.86x = 10,324,437,469.06
  5. Step 5: Solve for x
    x = 10,324,437,469.06/125,122.86
  6. Step 6: Final answer
    x = 82,514.40

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1.5x scale

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.