Home / 226,915.16-313,140.33-124,938.48

Finding the Fourth Proportional to 226,915.16, 313,140.33 and 124,938.48

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Solution

The fourth proportional to 226,915.16, 313,140.33 and 124,938.48 is: 172,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,915.16 : 313,140.33 = 124,938.48 : x
  2. Step 2: Convert to fraction form
    226,915.16/313,140.33 = 124,938.48/x
  3. Step 3: Cross multiply
    226,915.16x = 313,140.33 × 124,938.48
  4. Step 4: Simplify right side
    226,915.16x = 39,123,278,031.17
  5. Step 5: Solve for x
    x = 39,123,278,031.17/226,915.16
  6. Step 6: Final answer
    x = 172,413.68

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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.