Home / 98,211.20-147,219.60-48,250.40

Finding the Fourth Proportional to 98,211.20, 147,219.60 and 48,250.40

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Solution

The fourth proportional to 98,211.20, 147,219.60 and 48,250.40 is: 72,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,211.20 : 147,219.60 = 48,250.40 : x
  2. Step 2: Convert to fraction form
    98,211.20/147,219.60 = 48,250.40/x
  3. Step 3: Cross multiply
    98,211.20x = 147,219.60 × 48,250.40
  4. Step 4: Simplify right side
    98,211.20x = 7,103,404,587.84
  5. Step 5: Solve for x
    x = 7,103,404,587.84/98,211.20
  6. Step 6: Final answer
    x = 72,327.85

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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.