Home / 98,334.10-147,500.19-28,213.78

Finding the Fourth Proportional to 98,334.10, 147,500.19 and 28,213.78

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Solution

The fourth proportional to 98,334.10, 147,500.19 and 28,213.78 is: 42,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334.10 : 147,500.19 = 28,213.78 : x
  2. Step 2: Convert to fraction form
    98,334.10/147,500.19 = 28,213.78/x
  3. Step 3: Cross multiply
    98,334.10x = 147,500.19 × 28,213.78
  4. Step 4: Simplify right side
    98,334.10x = 4,161,537,910.62
  5. Step 5: Solve for x
    x = 4,161,537,910.62/98,334.10
  6. Step 6: Final answer
    x = 42,320.39

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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.