Home / 140,319.50-193,493.54-92,511.68

Finding the Fourth Proportional to 140,319.50, 193,493.54 and 92,511.68

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Solution

The fourth proportional to 140,319.50, 193,493.54 and 92,511.68 is: 127,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,319.50 : 193,493.54 = 92,511.68 : x
  2. Step 2: Convert to fraction form
    140,319.50/193,493.54 = 92,511.68/x
  3. Step 3: Cross multiply
    140,319.50x = 193,493.54 × 92,511.68
  4. Step 4: Simplify right side
    140,319.50x = 17,900,412,454.55
  5. Step 5: Solve for x
    x = 17,900,412,454.55/140,319.50
  6. Step 6: Final answer
    x = 127,568.96

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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.