Home / 256,072.86-353,380.61-141,351.57

Finding the Fourth Proportional to 256,072.86, 353,380.61 and 141,351.57

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Solution

The fourth proportional to 256,072.86, 353,380.61 and 141,351.57 is: 195,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,072.86 : 353,380.61 = 141,351.57 : x
  2. Step 2: Convert to fraction form
    256,072.86/353,380.61 = 141,351.57/x
  3. Step 3: Cross multiply
    256,072.86x = 353,380.61 × 141,351.57
  4. Step 4: Simplify right side
    256,072.86x = 49,950,905,254.08
  5. Step 5: Solve for x
    x = 49,950,905,254.08/256,072.86
  6. Step 6: Final answer
    x = 195,065.21

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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.