Home / 193,176.20-289,764.30-133,041.80

Finding the Fourth Proportional to 193,176.20, 289,764.30 and 133,041.80

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Solution

The fourth proportional to 193,176.20, 289,764.30 and 133,041.80 is: 199,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,176.20 : 289,764.30 = 133,041.80 : x
  2. Step 2: Convert to fraction form
    193,176.20/289,764.30 = 133,041.80/x
  3. Step 3: Cross multiply
    193,176.20x = 289,764.30 × 133,041.80
  4. Step 4: Simplify right side
    193,176.20x = 38,550,764,047.74
  5. Step 5: Solve for x
    x = 38,550,764,047.74/193,176.20
  6. Step 6: Final answer
    x = 199,562.70

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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.