Home / 256,291.16-353,680.39-141,577.70

Finding the Fourth Proportional to 256,291.16, 353,680.39 and 141,577.70

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Solution

The fourth proportional to 256,291.16, 353,680.39 and 141,577.70 is: 195,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,291.16 : 353,680.39 = 141,577.70 : x
  2. Step 2: Convert to fraction form
    256,291.16/353,680.39 = 141,577.70/x
  3. Step 3: Cross multiply
    256,291.16x = 353,680.39 × 141,577.70
  4. Step 4: Simplify right side
    256,291.16x = 50,073,254,028.96
  5. Step 5: Solve for x
    x = 50,073,254,028.96/256,291.16
  6. Step 6: Final answer
    x = 195,376.44

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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.