Home / 121,217.49-181,836.76-36,996.62

Finding the Fourth Proportional to 121,217.49, 181,836.76 and 36,996.62

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Solution

The fourth proportional to 121,217.49, 181,836.76 and 36,996.62 is: 55,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.49 : 181,836.76 = 36,996.62 : x
  2. Step 2: Convert to fraction form
    121,217.49/181,836.76 = 36,996.62/x
  3. Step 3: Cross multiply
    121,217.49x = 181,836.76 × 36,996.62
  4. Step 4: Simplify right side
    121,217.49x = 6,727,345,511.75
  5. Step 5: Solve for x
    x = 6,727,345,511.75/121,217.49
  6. Step 6: Final answer
    x = 55,498.14

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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.