Home / 98,219.20-147,328.80-96,469.60

Finding the Fourth Proportional to 98,219.20, 147,328.80 and 96,469.60

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Solution

The fourth proportional to 98,219.20, 147,328.80 and 96,469.60 is: 144,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,219.20 : 147,328.80 = 96,469.60 : x
  2. Step 2: Convert to fraction form
    98,219.20/147,328.80 = 96,469.60/x
  3. Step 3: Cross multiply
    98,219.20x = 147,328.80 × 96,469.60
  4. Step 4: Simplify right side
    98,219.20x = 14,212,750,404.48
  5. Step 5: Solve for x
    x = 14,212,750,404.48/98,219.20
  6. Step 6: Final answer
    x = 144,704.40

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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.