Home / 95,579.40-143,196.30-84,520.20

Finding the Fourth Proportional to 95,579.40, 143,196.30 and 84,520.20

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Solution

The fourth proportional to 95,579.40, 143,196.30 and 84,520.20 is: 126,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,579.40 : 143,196.30 = 84,520.20 : x
  2. Step 2: Convert to fraction form
    95,579.40/143,196.30 = 84,520.20/x
  3. Step 3: Cross multiply
    95,579.40x = 143,196.30 × 84,520.20
  4. Step 4: Simplify right side
    95,579.40x = 12,102,979,915.26
  5. Step 5: Solve for x
    x = 12,102,979,915.26/95,579.40
  6. Step 6: Final answer
    x = 126,627.49

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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.