Home / 226,838.40-340,387.20-86,697.60

Finding the Fourth Proportional to 226,838.40, 340,387.20 and 86,697.60

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Solution

The fourth proportional to 226,838.40, 340,387.20 and 86,697.60 is: 130,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,838.40 : 340,387.20 = 86,697.60 : x
  2. Step 2: Convert to fraction form
    226,838.40/340,387.20 = 86,697.60/x
  3. Step 3: Cross multiply
    226,838.40x = 340,387.20 × 86,697.60
  4. Step 4: Simplify right side
    226,838.40x = 29,510,753,310.72
  5. Step 5: Solve for x
    x = 29,510,753,310.72/226,838.40
  6. Step 6: Final answer
    x = 130,095.93

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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.