Home / 193,720.62-288,885.78-191,949.12

Finding the Fourth Proportional to 193,720.62, 288,885.78 and 191,949.12

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Solution

The fourth proportional to 193,720.62, 288,885.78 and 191,949.12 is: 286,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,720.62 : 288,885.78 = 191,949.12 : x
  2. Step 2: Convert to fraction form
    193,720.62/288,885.78 = 191,949.12/x
  3. Step 3: Cross multiply
    193,720.62x = 288,885.78 × 191,949.12
  4. Step 4: Simplify right side
    193,720.62x = 55,451,371,251.51
  5. Step 5: Solve for x
    x = 55,451,371,251.51/193,720.62
  6. Step 6: Final answer
    x = 286,244.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.