Home / 217,467.48-326,231.64-67,718.64

Finding the Fourth Proportional to 217,467.48, 326,231.64 and 67,718.64

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Solution

The fourth proportional to 217,467.48, 326,231.64 and 67,718.64 is: 101,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,467.48 : 326,231.64 = 67,718.64 : x
  2. Step 2: Convert to fraction form
    217,467.48/326,231.64 = 67,718.64/x
  3. Step 3: Cross multiply
    217,467.48x = 326,231.64 × 67,718.64
  4. Step 4: Simplify right side
    217,467.48x = 22,091,962,985.77
  5. Step 5: Solve for x
    x = 22,091,962,985.77/217,467.48
  6. Step 6: Final answer
    x = 101,587.43

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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.