Home / 256,292.32-353,683.68-143,115.04

Finding the Fourth Proportional to 256,292.32, 353,683.68 and 143,115.04

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Solution

The fourth proportional to 256,292.32, 353,683.68 and 143,115.04 is: 197,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,292.32 : 353,683.68 = 143,115.04 : x
  2. Step 2: Convert to fraction form
    256,292.32/353,683.68 = 143,115.04/x
  3. Step 3: Cross multiply
    256,292.32x = 353,683.68 × 143,115.04
  4. Step 4: Simplify right side
    256,292.32x = 50,617,454,010.55
  5. Step 5: Solve for x
    x = 50,617,454,010.55/256,292.32
  6. Step 6: Final answer
    x = 197,498.91

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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.