Home / 217,319.76-326,009.16-67,532.04

Finding the Fourth Proportional to 217,319.76, 326,009.16 and 67,532.04

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Solution

The fourth proportional to 217,319.76, 326,009.16 and 67,532.04 is: 101,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,319.76 : 326,009.16 = 67,532.04 : x
  2. Step 2: Convert to fraction form
    217,319.76/326,009.16 = 67,532.04/x
  3. Step 3: Cross multiply
    217,319.76x = 326,009.16 × 67,532.04
  4. Step 4: Simplify right side
    217,319.76x = 22,016,063,633.49
  5. Step 5: Solve for x
    x = 22,016,063,633.49/217,319.76
  6. Step 6: Final answer
    x = 101,307.23

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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.