Home / 140,350.92-193,684.32-75,820.18

Finding the Fourth Proportional to 140,350.92, 193,684.32 and 75,820.18

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Solution

The fourth proportional to 140,350.92, 193,684.32 and 75,820.18 is: 104,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,350.92 : 193,684.32 = 75,820.18 : x
  2. Step 2: Convert to fraction form
    140,350.92/193,684.32 = 75,820.18/x
  3. Step 3: Cross multiply
    140,350.92x = 193,684.32 × 75,820.18
  4. Step 4: Simplify right side
    140,350.92x = 14,685,180,005.58
  5. Step 5: Solve for x
    x = 14,685,180,005.58/140,350.92
  6. Step 6: Final answer
    x = 104,631.88

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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.