Home / 122,428.11-183,673.19-59,278.49

Finding the Fourth Proportional to 122,428.11, 183,673.19 and 59,278.49

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Solution

The fourth proportional to 122,428.11, 183,673.19 and 59,278.49 is: 88,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,428.11 : 183,673.19 = 59,278.49 : x
  2. Step 2: Convert to fraction form
    122,428.11/183,673.19 = 59,278.49/x
  3. Step 3: Cross multiply
    122,428.11x = 183,673.19 × 59,278.49
  4. Step 4: Simplify right side
    122,428.11x = 10,887,869,356.68
  5. Step 5: Solve for x
    x = 10,887,869,356.68/122,428.11
  6. Step 6: Final answer
    x = 88,932.76

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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.