Home / 98,845.12-148,191-48,890.80

Finding the Fourth Proportional to 98,845.12, 148,191 and 48,890.80

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Solution

The fourth proportional to 98,845.12, 148,191 and 48,890.80 is: 73,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.12 : 148,191 = 48,890.80 : x
  2. Step 2: Convert to fraction form
    98,845.12/148,191 = 48,890.80/x
  3. Step 3: Cross multiply
    98,845.12x = 148,191 × 48,890.80
  4. Step 4: Simplify right side
    98,845.12x = 7,245,176,542.80
  5. Step 5: Solve for x
    x = 7,245,176,542.80/98,845.12
  6. Step 6: Final answer
    x = 73,298.27

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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.