Home / 121,156.90-181,743.45-41,193.70

Finding the Fourth Proportional to 121,156.90, 181,743.45 and 41,193.70

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Solution

The fourth proportional to 121,156.90, 181,743.45 and 41,193.70 is: 61,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,156.90 : 181,743.45 = 41,193.70 : x
  2. Step 2: Convert to fraction form
    121,156.90/181,743.45 = 41,193.70/x
  3. Step 3: Cross multiply
    121,156.90x = 181,743.45 × 41,193.70
  4. Step 4: Simplify right side
    121,156.90x = 7,486,685,156.27
  5. Step 5: Solve for x
    x = 7,486,685,156.27/121,156.90
  6. Step 6: Final answer
    x = 61,793.30

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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.