Home / 256,073.12-353,380.84-141,351.72

Finding the Fourth Proportional to 256,073.12, 353,380.84 and 141,351.72

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Solution

The fourth proportional to 256,073.12, 353,380.84 and 141,351.72 is: 195,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,073.12 : 353,380.84 = 141,351.72 : x
  2. Step 2: Convert to fraction form
    256,073.12/353,380.84 = 141,351.72/x
  3. Step 3: Cross multiply
    256,073.12x = 353,380.84 × 141,351.72
  4. Step 4: Simplify right side
    256,073.12x = 49,950,989,549.04
  5. Step 5: Solve for x
    x = 49,950,989,549.04/256,073.12
  6. Step 6: Final answer
    x = 195,065.34

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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.