Home / 98,667.20-148,000.80-36,329.60

Finding the Fourth Proportional to 98,667.20, 148,000.80 and 36,329.60

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Solution

The fourth proportional to 98,667.20, 148,000.80 and 36,329.60 is: 54,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,667.20 : 148,000.80 = 36,329.60 : x
  2. Step 2: Convert to fraction form
    98,667.20/148,000.80 = 36,329.60/x
  3. Step 3: Cross multiply
    98,667.20x = 148,000.80 × 36,329.60
  4. Step 4: Simplify right side
    98,667.20x = 5,376,809,863.68
  5. Step 5: Solve for x
    x = 5,376,809,863.68/98,667.20
  6. Step 6: Final answer
    x = 54,494.40

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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.