Home / 170,931.78-256,397.85-44,571.92

Finding the Fourth Proportional to 170,931.78, 256,397.85 and 44,571.92

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Solution

The fourth proportional to 170,931.78, 256,397.85 and 44,571.92 is: 66,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,931.78 : 256,397.85 = 44,571.92 : x
  2. Step 2: Convert to fraction form
    170,931.78/256,397.85 = 44,571.92/x
  3. Step 3: Cross multiply
    170,931.78x = 256,397.85 × 44,571.92
  4. Step 4: Simplify right side
    170,931.78x = 11,428,143,176.38
  5. Step 5: Solve for x
    x = 11,428,143,176.38/170,931.78
  6. Step 6: Final answer
    x = 66,857.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.