Home / 217,660.16-326,522.88-67,915.52

Finding the Fourth Proportional to 217,660.16, 326,522.88 and 67,915.52

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Solution

The fourth proportional to 217,660.16, 326,522.88 and 67,915.52 is: 101,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,660.16 : 326,522.88 = 67,915.52 : x
  2. Step 2: Convert to fraction form
    217,660.16/326,522.88 = 67,915.52/x
  3. Step 3: Cross multiply
    217,660.16x = 326,522.88 × 67,915.52
  4. Step 4: Simplify right side
    217,660.16x = 22,175,971,187.10
  5. Step 5: Solve for x
    x = 22,175,971,187.10/217,660.16
  6. Step 6: Final answer
    x = 101,883.46

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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.