Home / 269,195.20-403,306.80-156,783.40

Finding the Fourth Proportional to 269,195.20, 403,306.80 and 156,783.40

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Solution

The fourth proportional to 269,195.20, 403,306.80 and 156,783.40 is: 234,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,195.20 : 403,306.80 = 156,783.40 : x
  2. Step 2: Convert to fraction form
    269,195.20/403,306.80 = 156,783.40/x
  3. Step 3: Cross multiply
    269,195.20x = 403,306.80 × 156,783.40
  4. Step 4: Simplify right side
    269,195.20x = 63,231,811,347.12
  5. Step 5: Solve for x
    x = 63,231,811,347.12/269,195.20
  6. Step 6: Final answer
    x = 234,892.05

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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.