Home / 131,123.40-196,514.38-95,220.55

Finding the Fourth Proportional to 131,123.40, 196,514.38 and 95,220.55

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Solution

The fourth proportional to 131,123.40, 196,514.38 and 95,220.55 is: 142,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123.40 : 196,514.38 = 95,220.55 : x
  2. Step 2: Convert to fraction form
    131,123.40/196,514.38 = 95,220.55/x
  3. Step 3: Cross multiply
    131,123.40x = 196,514.38 × 95,220.55
  4. Step 4: Simplify right side
    131,123.40x = 18,712,207,346.51
  5. Step 5: Solve for x
    x = 18,712,207,346.51/131,123.40
  6. Step 6: Final answer
    x = 142,706.85

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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.