Home / 98,192.20-147,191.10-48,231.40

Finding the Fourth Proportional to 98,192.20, 147,191.10 and 48,231.40

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Solution

The fourth proportional to 98,192.20, 147,191.10 and 48,231.40 is: 72,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,192.20 : 147,191.10 = 48,231.40 : x
  2. Step 2: Convert to fraction form
    98,192.20/147,191.10 = 48,231.40/x
  3. Step 3: Cross multiply
    98,192.20x = 147,191.10 × 48,231.40
  4. Step 4: Simplify right side
    98,192.20x = 7,099,232,820.54
  5. Step 5: Solve for x
    x = 7,099,232,820.54/98,192.20
  6. Step 6: Final answer
    x = 72,299.36

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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.