Home / 226,931.12-340,446.08-69,155.28

Finding the Fourth Proportional to 226,931.12, 340,446.08 and 69,155.28

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Solution

The fourth proportional to 226,931.12, 340,446.08 and 69,155.28 is: 103,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,931.12 : 340,446.08 = 69,155.28 : x
  2. Step 2: Convert to fraction form
    226,931.12/340,446.08 = 69,155.28/x
  3. Step 3: Cross multiply
    226,931.12x = 340,446.08 × 69,155.28
  4. Step 4: Simplify right side
    226,931.12x = 23,543,643,987.30
  5. Step 5: Solve for x
    x = 23,543,643,987.30/226,931.12
  6. Step 6: Final answer
    x = 103,747.97

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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.