Home / 313,820.60-433,171.50-200,643.80

Finding the Fourth Proportional to 313,820.60, 433,171.50 and 200,643.80

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Solution

The fourth proportional to 313,820.60, 433,171.50 and 200,643.80 is: 276,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,820.60 : 433,171.50 = 200,643.80 : x
  2. Step 2: Convert to fraction form
    313,820.60/433,171.50 = 200,643.80/x
  3. Step 3: Cross multiply
    313,820.60x = 433,171.50 × 200,643.80
  4. Step 4: Simplify right side
    313,820.60x = 86,913,175,811.70
  5. Step 5: Solve for x
    x = 86,913,175,811.70/313,820.60
  6. Step 6: Final answer
    x = 276,951.79

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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.