Home / 177,979.50-245,609.82-101,511.09

Finding the Fourth Proportional to 177,979.50, 245,609.82 and 101,511.09

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Solution

The fourth proportional to 177,979.50, 245,609.82 and 101,511.09 is: 140,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,979.50 : 245,609.82 = 101,511.09 : x
  2. Step 2: Convert to fraction form
    177,979.50/245,609.82 = 101,511.09/x
  3. Step 3: Cross multiply
    177,979.50x = 245,609.82 × 101,511.09
  4. Step 4: Simplify right side
    177,979.50x = 24,932,120,542.90
  5. Step 5: Solve for x
    x = 24,932,120,542.90/177,979.50
  6. Step 6: Final answer
    x = 140,084.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.