Home / 154,516.22-231,924.12-74,610.50

Finding the Fourth Proportional to 154,516.22, 231,924.12 and 74,610.50

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Solution

The fourth proportional to 154,516.22, 231,924.12 and 74,610.50 is: 111,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,516.22 : 231,924.12 = 74,610.50 : x
  2. Step 2: Convert to fraction form
    154,516.22/231,924.12 = 74,610.50/x
  3. Step 3: Cross multiply
    154,516.22x = 231,924.12 × 74,610.50
  4. Step 4: Simplify right side
    154,516.22x = 17,303,974,555.26
  5. Step 5: Solve for x
    x = 17,303,974,555.26/154,516.22
  6. Step 6: Final answer
    x = 111,988.08

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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.