Home / 288,238.12-397,874.75-173,522.10

Finding the Fourth Proportional to 288,238.12, 397,874.75 and 173,522.10

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Solution

The fourth proportional to 288,238.12, 397,874.75 and 173,522.10 is: 239,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,238.12 : 397,874.75 = 173,522.10 : x
  2. Step 2: Convert to fraction form
    288,238.12/397,874.75 = 173,522.10/x
  3. Step 3: Cross multiply
    288,238.12x = 397,874.75 × 173,522.10
  4. Step 4: Simplify right side
    288,238.12x = 69,040,062,156.98
  5. Step 5: Solve for x
    x = 69,040,062,156.98/288,238.12
  6. Step 6: Final answer
    x = 239,524.40

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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.