Home / 313,811.60-433,159.08-200,634.80

Finding the Fourth Proportional to 313,811.60, 433,159.08 and 200,634.80

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Solution

The fourth proportional to 313,811.60, 433,159.08 and 200,634.80 is: 276,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,811.60 : 433,159.08 = 200,634.80 : x
  2. Step 2: Convert to fraction form
    313,811.60/433,159.08 = 200,634.80/x
  3. Step 3: Cross multiply
    313,811.60x = 433,159.08 × 200,634.80
  4. Step 4: Simplify right side
    313,811.60x = 86,906,785,383.98
  5. Step 5: Solve for x
    x = 86,906,785,383.98/313,811.60
  6. Step 6: Final answer
    x = 276,939.37

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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.