Home / 226,864.40-340,426.20-86,723.60

Finding the Fourth Proportional to 226,864.40, 340,426.20 and 86,723.60

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Solution

The fourth proportional to 226,864.40, 340,426.20 and 86,723.60 is: 130,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,864.40 : 340,426.20 = 86,723.60 : x
  2. Step 2: Convert to fraction form
    226,864.40/340,426.20 = 86,723.60/x
  3. Step 3: Cross multiply
    226,864.40x = 340,426.20 × 86,723.60
  4. Step 4: Simplify right side
    226,864.40x = 29,522,985,598.32
  5. Step 5: Solve for x
    x = 29,522,985,598.32/226,864.40
  6. Step 6: Final answer
    x = 130,134.94

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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.