Home / 140,213.62-193,216.71-99,856.18

Finding the Fourth Proportional to 140,213.62, 193,216.71 and 99,856.18

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Solution

The fourth proportional to 140,213.62, 193,216.71 and 99,856.18 is: 137,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.62 : 193,216.71 = 99,856.18 : x
  2. Step 2: Convert to fraction form
    140,213.62/193,216.71 = 99,856.18/x
  3. Step 3: Cross multiply
    140,213.62x = 193,216.71 × 99,856.18
  4. Step 4: Simplify right side
    140,213.62x = 19,293,882,627.06
  5. Step 5: Solve for x
    x = 19,293,882,627.06/140,213.62
  6. Step 6: Final answer
    x = 137,603.48

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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.