Home / 193,152.50-266,551.41-112,635.86

Finding the Fourth Proportional to 193,152.50, 266,551.41 and 112,635.86

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Solution

The fourth proportional to 193,152.50, 266,551.41 and 112,635.86 is: 155,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,152.50 : 266,551.41 = 112,635.86 : x
  2. Step 2: Convert to fraction form
    193,152.50/266,551.41 = 112,635.86/x
  3. Step 3: Cross multiply
    193,152.50x = 266,551.41 × 112,635.86
  4. Step 4: Simplify right side
    193,152.50x = 30,023,247,299.56
  5. Step 5: Solve for x
    x = 30,023,247,299.56/193,152.50
  6. Step 6: Final answer
    x = 155,438.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.