Home / 154,159.83-231,296.45-110,133.09

Finding the Fourth Proportional to 154,159.83, 231,296.45 and 110,133.09

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Solution

The fourth proportional to 154,159.83, 231,296.45 and 110,133.09 is: 165,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,159.83 : 231,296.45 = 110,133.09 : x
  2. Step 2: Convert to fraction form
    154,159.83/231,296.45 = 110,133.09/x
  3. Step 3: Cross multiply
    154,159.83x = 231,296.45 × 110,133.09
  4. Step 4: Simplify right side
    154,159.83x = 25,473,392,193.87
  5. Step 5: Solve for x
    x = 25,473,392,193.87/154,159.83
  6. Step 6: Final answer
    x = 165,240.14

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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.