Home / 98,228.20-147,515.10-95,117.80

Finding the Fourth Proportional to 98,228.20, 147,515.10 and 95,117.80

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Solution

The fourth proportional to 98,228.20, 147,515.10 and 95,117.80 is: 142,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,228.20 : 147,515.10 = 95,117.80 : x
  2. Step 2: Convert to fraction form
    98,228.20/147,515.10 = 95,117.80/x
  3. Step 3: Cross multiply
    98,228.20x = 147,515.10 × 95,117.80
  4. Step 4: Simplify right side
    98,228.20x = 14,031,311,778.78
  5. Step 5: Solve for x
    x = 14,031,311,778.78/98,228.20
  6. Step 6: Final answer
    x = 142,844.03

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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.