Home / 183,255.80-252,881.10-107,789.72

Finding the Fourth Proportional to 183,255.80, 252,881.10 and 107,789.72

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Solution

The fourth proportional to 183,255.80, 252,881.10 and 107,789.72 is: 148,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,255.80 : 252,881.10 = 107,789.72 : x
  2. Step 2: Convert to fraction form
    183,255.80/252,881.10 = 107,789.72/x
  3. Step 3: Cross multiply
    183,255.80x = 252,881.10 × 107,789.72
  4. Step 4: Simplify right side
    183,255.80x = 27,257,982,962.29
  5. Step 5: Solve for x
    x = 27,257,982,962.29/183,255.80
  6. Step 6: Final answer
    x = 148,742.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.