Home / 227,593.20-341,389.80-143,612.40

Finding the Fourth Proportional to 227,593.20, 341,389.80 and 143,612.40

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Solution

The fourth proportional to 227,593.20, 341,389.80 and 143,612.40 is: 215,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,593.20 : 341,389.80 = 143,612.40 : x
  2. Step 2: Convert to fraction form
    227,593.20/341,389.80 = 143,612.40/x
  3. Step 3: Cross multiply
    227,593.20x = 341,389.80 × 143,612.40
  4. Step 4: Simplify right side
    227,593.20x = 49,027,808,513.52
  5. Step 5: Solve for x
    x = 49,027,808,513.52/227,593.20
  6. Step 6: Final answer
    x = 215,418.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.