Home / 140,117.29-193,366.12-79,696.62

Finding the Fourth Proportional to 140,117.29, 193,366.12 and 79,696.62

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Solution

The fourth proportional to 140,117.29, 193,366.12 and 79,696.62 is: 109,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,117.29 : 193,366.12 = 79,696.62 : x
  2. Step 2: Convert to fraction form
    140,117.29/193,366.12 = 79,696.62/x
  3. Step 3: Cross multiply
    140,117.29x = 193,366.12 × 79,696.62
  4. Step 4: Simplify right side
    140,117.29x = 15,410,625,987.27
  5. Step 5: Solve for x
    x = 15,410,625,987.27/140,117.29
  6. Step 6: Final answer
    x = 109,983.76

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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.