Home / 140,118.64-193,313.20-107,863.13

Finding the Fourth Proportional to 140,118.64, 193,313.20 and 107,863.13

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Solution

The fourth proportional to 140,118.64, 193,313.20 and 107,863.13 is: 148,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,118.64 : 193,313.20 = 107,863.13 : x
  2. Step 2: Convert to fraction form
    140,118.64/193,313.20 = 107,863.13/x
  3. Step 3: Cross multiply
    140,118.64x = 193,313.20 × 107,863.13
  4. Step 4: Simplify right side
    140,118.64x = 20,851,366,150.80
  5. Step 5: Solve for x
    x = 20,851,366,150.80/140,118.64
  6. Step 6: Final answer
    x = 148,812.22

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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.