Home / 140,331.52-193,657.68-79,899.52

Finding the Fourth Proportional to 140,331.52, 193,657.68 and 79,899.52

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Solution

The fourth proportional to 140,331.52, 193,657.68 and 79,899.52 is: 110,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,331.52 : 193,657.68 = 79,899.52 : x
  2. Step 2: Convert to fraction form
    140,331.52/193,657.68 = 79,899.52/x
  3. Step 3: Cross multiply
    140,331.52x = 193,657.68 × 79,899.52
  4. Step 4: Simplify right side
    140,331.52x = 15,473,155,676.31
  5. Step 5: Solve for x
    x = 15,473,155,676.31/140,331.52
  6. Step 6: Final answer
    x = 110,261.44

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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.