Home / 217,466.40-326,088.88-75,296.70

Finding the Fourth Proportional to 217,466.40, 326,088.88 and 75,296.70

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Solution

The fourth proportional to 217,466.40, 326,088.88 and 75,296.70 is: 112,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,466.40 : 326,088.88 = 75,296.70 : x
  2. Step 2: Convert to fraction form
    217,466.40/326,088.88 = 75,296.70/x
  3. Step 3: Cross multiply
    217,466.40x = 326,088.88 × 75,296.70
  4. Step 4: Simplify right side
    217,466.40x = 24,553,416,735.13
  5. Step 5: Solve for x
    x = 24,553,416,735.13/217,466.40
  6. Step 6: Final answer
    x = 112,906.72

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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.