Home / 122,989.52-183,434.14-104,391.92

Finding the Fourth Proportional to 122,989.52, 183,434.14 and 104,391.92

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Solution

The fourth proportional to 122,989.52, 183,434.14 and 104,391.92 is: 155,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,989.52 : 183,434.14 = 104,391.92 : x
  2. Step 2: Convert to fraction form
    122,989.52/183,434.14 = 104,391.92/x
  3. Step 3: Cross multiply
    122,989.52x = 183,434.14 × 104,391.92
  4. Step 4: Simplify right side
    122,989.52x = 19,149,042,068.15
  5. Step 5: Solve for x
    x = 19,149,042,068.15/122,989.52
  6. Step 6: Final answer
    x = 155,696.53

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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.