Home / 122,073.30-183,239.37-108,123.84

Finding the Fourth Proportional to 122,073.30, 183,239.37 and 108,123.84

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Solution

The fourth proportional to 122,073.30, 183,239.37 and 108,123.84 is: 162,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,073.30 : 183,239.37 = 108,123.84 : x
  2. Step 2: Convert to fraction form
    122,073.30/183,239.37 = 108,123.84/x
  3. Step 3: Cross multiply
    122,073.30x = 183,239.37 × 108,123.84
  4. Step 4: Simplify right side
    122,073.30x = 19,812,544,323.58
  5. Step 5: Solve for x
    x = 19,812,544,323.58/122,073.30
  6. Step 6: Final answer
    x = 162,300.39

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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.