Home / 122,769.27-183,069.65-107,837.53

Finding the Fourth Proportional to 122,769.27, 183,069.65 and 107,837.53

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Solution

The fourth proportional to 122,769.27, 183,069.65 and 107,837.53 is: 160,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,769.27 : 183,069.65 = 107,837.53 : x
  2. Step 2: Convert to fraction form
    122,769.27/183,069.65 = 107,837.53/x
  3. Step 3: Cross multiply
    122,769.27x = 183,069.65 × 107,837.53
  4. Step 4: Simplify right side
    122,769.27x = 19,741,778,685.88
  5. Step 5: Solve for x
    x = 19,741,778,685.88/122,769.27
  6. Step 6: Final answer
    x = 160,803.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.