Home / 195,663.20-293,494.80-125,621.60

Finding the Fourth Proportional to 195,663.20, 293,494.80 and 125,621.60

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Solution

The fourth proportional to 195,663.20, 293,494.80 and 125,621.60 is: 188,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,663.20 : 293,494.80 = 125,621.60 : x
  2. Step 2: Convert to fraction form
    195,663.20/293,494.80 = 125,621.60/x
  3. Step 3: Cross multiply
    195,663.20x = 293,494.80 × 125,621.60
  4. Step 4: Simplify right side
    195,663.20x = 36,869,286,367.68
  5. Step 5: Solve for x
    x = 36,869,286,367.68/195,663.20
  6. Step 6: Final answer
    x = 188,432.40

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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.