Home / 140,188.92-193,453.95-79,753.86

Finding the Fourth Proportional to 140,188.92, 193,453.95 and 79,753.86

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Solution

The fourth proportional to 140,188.92, 193,453.95 and 79,753.86 is: 110,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,188.92 : 193,453.95 = 79,753.86 : x
  2. Step 2: Convert to fraction form
    140,188.92/193,453.95 = 79,753.86/x
  3. Step 3: Cross multiply
    140,188.92x = 193,453.95 × 79,753.86
  4. Step 4: Simplify right side
    140,188.92x = 15,428,699,244.75
  5. Step 5: Solve for x
    x = 15,428,699,244.75/140,188.92
  6. Step 6: Final answer
    x = 110,056.48

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1.5x scale

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.