Home / 157,791.12-217,759.91-96,518.10

Finding the Fourth Proportional to 157,791.12, 217,759.91 and 96,518.10

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Solution

The fourth proportional to 157,791.12, 217,759.91 and 96,518.10 is: 133,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,791.12 : 217,759.91 = 96,518.10 : x
  2. Step 2: Convert to fraction form
    157,791.12/217,759.91 = 96,518.10/x
  3. Step 3: Cross multiply
    157,791.12x = 217,759.91 × 96,518.10
  4. Step 4: Simplify right side
    157,791.12x = 21,017,772,286.78
  5. Step 5: Solve for x
    x = 21,017,772,286.78/157,791.12
  6. Step 6: Final answer
    x = 133,199.97

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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.