Home / 130,190.40-195,577.20-124,876.80

Finding the Fourth Proportional to 130,190.40, 195,577.20 and 124,876.80

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Solution

The fourth proportional to 130,190.40, 195,577.20 and 124,876.80 is: 187,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190.40 : 195,577.20 = 124,876.80 : x
  2. Step 2: Convert to fraction form
    130,190.40/195,577.20 = 124,876.80/x
  3. Step 3: Cross multiply
    130,190.40x = 195,577.20 × 124,876.80
  4. Step 4: Simplify right side
    130,190.40x = 24,423,054,888.96
  5. Step 5: Solve for x
    x = 24,423,054,888.96/130,190.40
  6. Step 6: Final answer
    x = 187,594.90

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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.