Home / 140,513.46-193,911.89-80,089.71

Finding the Fourth Proportional to 140,513.46, 193,911.89 and 80,089.71

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Solution

The fourth proportional to 140,513.46, 193,911.89 and 80,089.71 is: 110,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,513.46 : 193,911.89 = 80,089.71 : x
  2. Step 2: Convert to fraction form
    140,513.46/193,911.89 = 80,089.71/x
  3. Step 3: Cross multiply
    140,513.46x = 193,911.89 × 80,089.71
  4. Step 4: Simplify right side
    140,513.46x = 15,530,346,635.20
  5. Step 5: Solve for x
    x = 15,530,346,635.20/140,513.46
  6. Step 6: Final answer
    x = 110,525.69

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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.