Home / 217,616.20-326,424.30-188,456.20

Finding the Fourth Proportional to 217,616.20, 326,424.30 and 188,456.20

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Solution

The fourth proportional to 217,616.20, 326,424.30 and 188,456.20 is: 282,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,616.20 : 326,424.30 = 188,456.20 : x
  2. Step 2: Convert to fraction form
    217,616.20/326,424.30 = 188,456.20/x
  3. Step 3: Cross multiply
    217,616.20x = 326,424.30 × 188,456.20
  4. Step 4: Simplify right side
    217,616.20x = 61,516,683,165.66
  5. Step 5: Solve for x
    x = 61,516,683,165.66/217,616.20
  6. Step 6: Final answer
    x = 282,684.30

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1.5x scale

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.