Home / 226,915.22-313,140.41-124,938.55

Finding the Fourth Proportional to 226,915.22, 313,140.41 and 124,938.55

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Solution

The fourth proportional to 226,915.22, 313,140.41 and 124,938.55 is: 172,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,915.22 : 313,140.41 = 124,938.55 : x
  2. Step 2: Convert to fraction form
    226,915.22/313,140.41 = 124,938.55/x
  3. Step 3: Cross multiply
    226,915.22x = 313,140.41 × 124,938.55
  4. Step 4: Simplify right side
    226,915.22x = 39,123,308,771.81
  5. Step 5: Solve for x
    x = 39,123,308,771.81/226,915.22
  6. Step 6: Final answer
    x = 172,413.77

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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.