Home / 283,905.12-425,857.86-159,333.60

Finding the Fourth Proportional to 283,905.12, 425,857.86 and 159,333.60

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Solution

The fourth proportional to 283,905.12, 425,857.86 and 159,333.60 is: 239,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,905.12 : 425,857.86 = 159,333.60 : x
  2. Step 2: Convert to fraction form
    283,905.12/425,857.86 = 159,333.60/x
  3. Step 3: Cross multiply
    283,905.12x = 425,857.86 × 159,333.60
  4. Step 4: Simplify right side
    283,905.12x = 67,853,465,922.10
  5. Step 5: Solve for x
    x = 67,853,465,922.10/283,905.12
  6. Step 6: Final answer
    x = 239,000.50

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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.