Home / 131,750.03-197,630.51-38,255.78

Finding the Fourth Proportional to 131,750.03, 197,630.51 and 38,255.78

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Solution

The fourth proportional to 131,750.03, 197,630.51 and 38,255.78 is: 57,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,750.03 : 197,630.51 = 38,255.78 : x
  2. Step 2: Convert to fraction form
    131,750.03/197,630.51 = 38,255.78/x
  3. Step 3: Cross multiply
    131,750.03x = 197,630.51 × 38,255.78
  4. Step 4: Simplify right side
    131,750.03x = 7,560,509,311.85
  5. Step 5: Solve for x
    x = 7,560,509,311.85/131,750.03
  6. Step 6: Final answer
    x = 57,385.26

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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.