Home / 217,749.10-326,623.50-68,002.22

Finding the Fourth Proportional to 217,749.10, 326,623.50 and 68,002.22

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Solution

The fourth proportional to 217,749.10, 326,623.50 and 68,002.22 is: 102,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749.10 : 326,623.50 = 68,002.22 : x
  2. Step 2: Convert to fraction form
    217,749.10/326,623.50 = 68,002.22/x
  3. Step 3: Cross multiply
    217,749.10x = 326,623.50 × 68,002.22
  4. Step 4: Simplify right side
    217,749.10x = 22,211,124,660.65
  5. Step 5: Solve for x
    x = 22,211,124,660.65/217,749.10
  6. Step 6: Final answer
    x = 102,003.29

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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.