Home / 256,082.96-353,418-141,382.10

Finding the Fourth Proportional to 256,082.96, 353,418 and 141,382.10

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Solution

The fourth proportional to 256,082.96, 353,418 and 141,382.10 is: 195,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,082.96 : 353,418 = 141,382.10 : x
  2. Step 2: Convert to fraction form
    256,082.96/353,418 = 141,382.10/x
  3. Step 3: Cross multiply
    256,082.96x = 353,418 × 141,382.10
  4. Step 4: Simplify right side
    256,082.96x = 49,966,979,017.80
  5. Step 5: Solve for x
    x = 49,966,979,017.80/256,082.96
  6. Step 6: Final answer
    x = 195,120.28

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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.