Home / 226,516.20-312,931.30-149,175.64

Finding the Fourth Proportional to 226,516.20, 312,931.30 and 149,175.64

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Solution

The fourth proportional to 226,516.20, 312,931.30 and 149,175.64 is: 206,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,516.20 : 312,931.30 = 149,175.64 : x
  2. Step 2: Convert to fraction form
    226,516.20/312,931.30 = 149,175.64/x
  3. Step 3: Cross multiply
    226,516.20x = 312,931.30 × 149,175.64
  4. Step 4: Simplify right side
    226,516.20x = 46,681,726,953.53
  5. Step 5: Solve for x
    x = 46,681,726,953.53/226,516.20
  6. Step 6: Final answer
    x = 206,085.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.