Home / 140,519.46-193,920.18-80,095.74

Finding the Fourth Proportional to 140,519.46, 193,920.18 and 80,095.74

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Solution

The fourth proportional to 140,519.46, 193,920.18 and 80,095.74 is: 110,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,519.46 : 193,920.18 = 80,095.74 : x
  2. Step 2: Convert to fraction form
    140,519.46/193,920.18 = 80,095.74/x
  3. Step 3: Cross multiply
    140,519.46x = 193,920.18 × 80,095.74
  4. Step 4: Simplify right side
    140,519.46x = 15,532,180,318.03
  5. Step 5: Solve for x
    x = 15,532,180,318.03/140,519.46
  6. Step 6: Final answer
    x = 110,534.02

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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.