Home / 268,983.23-371,199.51-148,128.24

Finding the Fourth Proportional to 268,983.23, 371,199.51 and 148,128.24

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Solution

The fourth proportional to 268,983.23, 371,199.51 and 148,128.24 is: 204,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,983.23 : 371,199.51 = 148,128.24 : x
  2. Step 2: Convert to fraction form
    268,983.23/371,199.51 = 148,128.24/x
  3. Step 3: Cross multiply
    268,983.23x = 371,199.51 × 148,128.24
  4. Step 4: Simplify right side
    268,983.23x = 54,985,131,497.16
  5. Step 5: Solve for x
    x = 54,985,131,497.16/268,983.23
  6. Step 6: Final answer
    x = 204,418.44

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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.