Home / 188,245.28-282,149.10-69,841.12

Finding the Fourth Proportional to 188,245.28, 282,149.10 and 69,841.12

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Solution

The fourth proportional to 188,245.28, 282,149.10 and 69,841.12 is: 104,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,245.28 : 282,149.10 = 69,841.12 : x
  2. Step 2: Convert to fraction form
    188,245.28/282,149.10 = 69,841.12/x
  3. Step 3: Cross multiply
    188,245.28x = 282,149.10 × 69,841.12
  4. Step 4: Simplify right side
    188,245.28x = 19,705,609,150.99
  5. Step 5: Solve for x
    x = 19,705,609,150.99/188,245.28
  6. Step 6: Final answer
    x = 104,680.50

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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.