Home / 154,618.05-231,993.09-65,913.33

Finding the Fourth Proportional to 154,618.05, 231,993.09 and 65,913.33

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Solution

The fourth proportional to 154,618.05, 231,993.09 and 65,913.33 is: 98,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618.05 : 231,993.09 = 65,913.33 : x
  2. Step 2: Convert to fraction form
    154,618.05/231,993.09 = 65,913.33/x
  3. Step 3: Cross multiply
    154,618.05x = 231,993.09 × 65,913.33
  4. Step 4: Simplify right side
    154,618.05x = 15,291,437,098.89
  5. Step 5: Solve for x
    x = 15,291,437,098.89/154,618.05
  6. Step 6: Final answer
    x = 98,898.14

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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.