Home / 122,110.60-183,165.90-108,747.40

Finding the Fourth Proportional to 122,110.60, 183,165.90 and 108,747.40

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Solution

The fourth proportional to 122,110.60, 183,165.90 and 108,747.40 is: 163,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,110.60 : 183,165.90 = 108,747.40 : x
  2. Step 2: Convert to fraction form
    122,110.60/183,165.90 = 108,747.40/x
  3. Step 3: Cross multiply
    122,110.60x = 183,165.90 × 108,747.40
  4. Step 4: Simplify right side
    122,110.60x = 19,918,815,393.66
  5. Step 5: Solve for x
    x = 19,918,815,393.66/122,110.60
  6. Step 6: Final answer
    x = 163,121.10

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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.