Home / 226,718.40-340,207.20-86,577.60

Finding the Fourth Proportional to 226,718.40, 340,207.20 and 86,577.60

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Solution

The fourth proportional to 226,718.40, 340,207.20 and 86,577.60 is: 129,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,718.40 : 340,207.20 = 86,577.60 : x
  2. Step 2: Convert to fraction form
    226,718.40/340,207.20 = 86,577.60/x
  3. Step 3: Cross multiply
    226,718.40x = 340,207.20 × 86,577.60
  4. Step 4: Simplify right side
    226,718.40x = 29,454,322,878.72
  5. Step 5: Solve for x
    x = 29,454,322,878.72/226,718.40
  6. Step 6: Final answer
    x = 129,915.89

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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.