Home / 283,721.40-425,063.70-230,844.60

Finding the Fourth Proportional to 283,721.40, 425,063.70 and 230,844.60

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Solution

The fourth proportional to 283,721.40, 425,063.70 and 230,844.60 is: 345,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,721.40 : 425,063.70 = 230,844.60 : x
  2. Step 2: Convert to fraction form
    283,721.40/425,063.70 = 230,844.60/x
  3. Step 3: Cross multiply
    283,721.40x = 425,063.70 × 230,844.60
  4. Step 4: Simplify right side
    283,721.40x = 98,123,659,801.02
  5. Step 5: Solve for x
    x = 98,123,659,801.02/283,721.40
  6. Step 6: Final answer
    x = 345,845.11

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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.