Home / 121,193.28-181,798.23-41,198.70

Finding the Fourth Proportional to 121,193.28, 181,798.23 and 41,198.70

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Solution

The fourth proportional to 121,193.28, 181,798.23 and 41,198.70 is: 61,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,193.28 : 181,798.23 = 41,198.70 : x
  2. Step 2: Convert to fraction form
    121,193.28/181,798.23 = 41,198.70/x
  3. Step 3: Cross multiply
    121,193.28x = 181,798.23 × 41,198.70
  4. Step 4: Simplify right side
    121,193.28x = 7,489,849,623.32
  5. Step 5: Solve for x
    x = 7,489,849,623.32/121,193.28
  6. Step 6: Final answer
    x = 61,800.87

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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.