Home / 217,119.06-326,177.55-154,095.66

Finding the Fourth Proportional to 217,119.06, 326,177.55 and 154,095.66

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Solution

The fourth proportional to 217,119.06, 326,177.55 and 154,095.66 is: 231,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,119.06 : 326,177.55 = 154,095.66 : x
  2. Step 2: Convert to fraction form
    217,119.06/326,177.55 = 154,095.66/x
  3. Step 3: Cross multiply
    217,119.06x = 326,177.55 × 154,095.66
  4. Step 4: Simplify right side
    217,119.06x = 50,262,544,844.43
  5. Step 5: Solve for x
    x = 50,262,544,844.43/217,119.06
  6. Step 6: Final answer
    x = 231,497.62

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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.