Home / 217,713.20-326,569.80-164,569.10

Finding the Fourth Proportional to 217,713.20, 326,569.80 and 164,569.10

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Solution

The fourth proportional to 217,713.20, 326,569.80 and 164,569.10 is: 246,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,713.20 : 326,569.80 = 164,569.10 : x
  2. Step 2: Convert to fraction form
    217,713.20/326,569.80 = 164,569.10/x
  3. Step 3: Cross multiply
    217,713.20x = 326,569.80 × 164,569.10
  4. Step 4: Simplify right side
    217,713.20x = 53,743,298,073.18
  5. Step 5: Solve for x
    x = 53,743,298,073.18/217,713.20
  6. Step 6: Final answer
    x = 246,853.65

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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.