Home / 283,535.20-425,302.80-141,817.60

Finding the Fourth Proportional to 283,535.20, 425,302.80 and 141,817.60

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Solution

The fourth proportional to 283,535.20, 425,302.80 and 141,817.60 is: 212,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,535.20 : 425,302.80 = 141,817.60 : x
  2. Step 2: Convert to fraction form
    283,535.20/425,302.80 = 141,817.60/x
  3. Step 3: Cross multiply
    283,535.20x = 425,302.80 × 141,817.60
  4. Step 4: Simplify right side
    283,535.20x = 60,315,422,369.28
  5. Step 5: Solve for x
    x = 60,315,422,369.28/283,535.20
  6. Step 6: Final answer
    x = 212,726.40

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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.