Home / 217,706.07-326,562.56-82,772.19

Finding the Fourth Proportional to 217,706.07, 326,562.56 and 82,772.19

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Solution

The fourth proportional to 217,706.07, 326,562.56 and 82,772.19 is: 124,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,706.07 : 326,562.56 = 82,772.19 : x
  2. Step 2: Convert to fraction form
    217,706.07/326,562.56 = 82,772.19/x
  3. Step 3: Cross multiply
    217,706.07x = 326,562.56 × 82,772.19
  4. Step 4: Simplify right side
    217,706.07x = 27,030,297,849.35
  5. Step 5: Solve for x
    x = 27,030,297,849.35/217,706.07
  6. Step 6: Final answer
    x = 124,159.60

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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.