Home / 356,146.67-534,226.86-131,391.42

Finding the Fourth Proportional to 356,146.67, 534,226.86 and 131,391.42

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Solution

The fourth proportional to 356,146.67, 534,226.86 and 131,391.42 is: 197,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,146.67 : 534,226.86 = 131,391.42 : x
  2. Step 2: Convert to fraction form
    356,146.67/534,226.86 = 131,391.42/x
  3. Step 3: Cross multiply
    356,146.67x = 534,226.86 × 131,391.42
  4. Step 4: Simplify right side
    356,146.67x = 70,192,823,734.19
  5. Step 5: Solve for x
    x = 70,192,823,734.19/356,146.67
  6. Step 6: Final answer
    x = 197,089.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.