Home / 256,245.48-353,618.66-143,068.20

Finding the Fourth Proportional to 256,245.48, 353,618.66 and 143,068.20

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Solution

The fourth proportional to 256,245.48, 353,618.66 and 143,068.20 is: 197,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,245.48 : 353,618.66 = 143,068.20 : x
  2. Step 2: Convert to fraction form
    256,245.48/353,618.66 = 143,068.20/x
  3. Step 3: Cross multiply
    256,245.48x = 353,618.66 × 143,068.20
  4. Step 4: Simplify right side
    256,245.48x = 50,591,585,172.61
  5. Step 5: Solve for x
    x = 50,591,585,172.61/256,245.48
  6. Step 6: Final answer
    x = 197,434.06

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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.