Home / 226,915.25-313,140.50-124,938.63

Finding the Fourth Proportional to 226,915.25, 313,140.50 and 124,938.63

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Solution

The fourth proportional to 226,915.25, 313,140.50 and 124,938.63 is: 172,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,915.25 : 313,140.50 = 124,938.63 : x
  2. Step 2: Convert to fraction form
    226,915.25/313,140.50 = 124,938.63/x
  3. Step 3: Cross multiply
    226,915.25x = 313,140.50 × 124,938.63
  4. Step 4: Simplify right side
    226,915.25x = 39,123,345,379.86
  5. Step 5: Solve for x
    x = 39,123,345,379.86/226,915.25
  6. Step 6: Final answer
    x = 172,413.91

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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.