Home / 154,640.03-213,408.49-147,554.15

Finding the Fourth Proportional to 154,640.03, 213,408.49 and 147,554.15

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Solution

The fourth proportional to 154,640.03, 213,408.49 and 147,554.15 is: 203,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,640.03 : 213,408.49 = 147,554.15 : x
  2. Step 2: Convert to fraction form
    154,640.03/213,408.49 = 147,554.15/x
  3. Step 3: Cross multiply
    154,640.03x = 213,408.49 × 147,554.15
  4. Step 4: Simplify right side
    154,640.03x = 31,489,306,908.81
  5. Step 5: Solve for x
    x = 31,489,306,908.81/154,640.03
  6. Step 6: Final answer
    x = 203,629.73

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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.