Home / 122,510.94-183,766.33-38,278.36

Finding the Fourth Proportional to 122,510.94, 183,766.33 and 38,278.36

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Solution

The fourth proportional to 122,510.94, 183,766.33 and 38,278.36 is: 57,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510.94 : 183,766.33 = 38,278.36 : x
  2. Step 2: Convert to fraction form
    122,510.94/183,766.33 = 38,278.36/x
  3. Step 3: Cross multiply
    122,510.94x = 183,766.33 × 38,278.36
  4. Step 4: Simplify right side
    122,510.94x = 7,034,273,735.62
  5. Step 5: Solve for x
    x = 7,034,273,735.62/122,510.94
  6. Step 6: Final answer
    x = 57,417.52

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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.