Home / 98,241.20-147,264.60-48,280.40

Finding the Fourth Proportional to 98,241.20, 147,264.60 and 48,280.40

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Solution

The fourth proportional to 98,241.20, 147,264.60 and 48,280.40 is: 72,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,241.20 : 147,264.60 = 48,280.40 : x
  2. Step 2: Convert to fraction form
    98,241.20/147,264.60 = 48,280.40/x
  3. Step 3: Cross multiply
    98,241.20x = 147,264.60 × 48,280.40
  4. Step 4: Simplify right side
    98,241.20x = 7,109,993,793.84
  5. Step 5: Solve for x
    x = 7,109,993,793.84/98,241.20
  6. Step 6: Final answer
    x = 72,372.83

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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.