Home / 98,824.80-148,237.20-82,203.60

Finding the Fourth Proportional to 98,824.80, 148,237.20 and 82,203.60

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Solution

The fourth proportional to 98,824.80, 148,237.20 and 82,203.60 is: 123,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,824.80 : 148,237.20 = 82,203.60 : x
  2. Step 2: Convert to fraction form
    98,824.80/148,237.20 = 82,203.60/x
  3. Step 3: Cross multiply
    98,824.80x = 148,237.20 × 82,203.60
  4. Step 4: Simplify right side
    98,824.80x = 12,185,631,493.92
  5. Step 5: Solve for x
    x = 12,185,631,493.92/98,824.80
  6. Step 6: Final answer
    x = 123,305.40

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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.