Home / 269,212.20-403,332.30-156,800.40

Finding the Fourth Proportional to 269,212.20, 403,332.30 and 156,800.40

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Solution

The fourth proportional to 269,212.20, 403,332.30 and 156,800.40 is: 234,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,212.20 : 403,332.30 = 156,800.40 : x
  2. Step 2: Convert to fraction form
    269,212.20/403,332.30 = 156,800.40/x
  3. Step 3: Cross multiply
    269,212.20x = 403,332.30 × 156,800.40
  4. Step 4: Simplify right side
    269,212.20x = 63,242,665,972.92
  5. Step 5: Solve for x
    x = 63,242,665,972.92/269,212.20
  6. Step 6: Final answer
    x = 234,917.53

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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.