Home / 217,853.93-326,781.14-68,095.01

Finding the Fourth Proportional to 217,853.93, 326,781.14 and 68,095.01

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Solution

The fourth proportional to 217,853.93, 326,781.14 and 68,095.01 is: 102,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,853.93 : 326,781.14 = 68,095.01 : x
  2. Step 2: Convert to fraction form
    217,853.93/326,781.14 = 68,095.01/x
  3. Step 3: Cross multiply
    217,853.93x = 326,781.14 × 68,095.01
  4. Step 4: Simplify right side
    217,853.93x = 22,252,163,021.73
  5. Step 5: Solve for x
    x = 22,252,163,021.73/217,853.93
  6. Step 6: Final answer
    x = 102,142.58

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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.