Home / 217,965.30-326,954.08-60,193.75

Finding the Fourth Proportional to 217,965.30, 326,954.08 and 60,193.75

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Solution

The fourth proportional to 217,965.30, 326,954.08 and 60,193.75 is: 90,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,965.30 : 326,954.08 = 60,193.75 : x
  2. Step 2: Convert to fraction form
    217,965.30/326,954.08 = 60,193.75/x
  3. Step 3: Cross multiply
    217,965.30x = 326,954.08 × 60,193.75
  4. Step 4: Simplify right side
    217,965.30x = 19,680,592,153
  5. Step 5: Solve for x
    x = 19,680,592,153/217,965.30
  6. Step 6: Final answer
    x = 90,292.32

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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.