Home / 226,915.14-313,228.57-178,390.47

Finding the Fourth Proportional to 226,915.14, 313,228.57 and 178,390.47

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Solution

The fourth proportional to 226,915.14, 313,228.57 and 178,390.47 is: 246,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,915.14 : 313,228.57 = 178,390.47 : x
  2. Step 2: Convert to fraction form
    226,915.14/313,228.57 = 178,390.47/x
  3. Step 3: Cross multiply
    226,915.14x = 313,228.57 × 178,390.47
  4. Step 4: Simplify right side
    226,915.14x = 55,876,989,807.61
  5. Step 5: Solve for x
    x = 55,876,989,807.61/226,915.14
  6. Step 6: Final answer
    x = 246,246.20

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1.5x scale

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.