Home / 120,554.33-180,818.78-49,484.48

Finding the Fourth Proportional to 120,554.33, 180,818.78 and 49,484.48

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Solution

The fourth proportional to 120,554.33, 180,818.78 and 49,484.48 is: 74,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,554.33 : 180,818.78 = 49,484.48 : x
  2. Step 2: Convert to fraction form
    120,554.33/180,818.78 = 49,484.48/x
  3. Step 3: Cross multiply
    120,554.33x = 180,818.78 × 49,484.48
  4. Step 4: Simplify right side
    120,554.33x = 8,947,722,151.02
  5. Step 5: Solve for x
    x = 8,947,722,151.02/120,554.33
  6. Step 6: Final answer
    x = 74,221.49

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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.