Home / 397,290.17-595,953.61-131,073.95

Finding the Fourth Proportional to 397,290.17, 595,953.61 and 131,073.95

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Solution

The fourth proportional to 397,290.17, 595,953.61 and 131,073.95 is: 196,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,290.17 : 595,953.61 = 131,073.95 : x
  2. Step 2: Convert to fraction form
    397,290.17/595,953.61 = 131,073.95/x
  3. Step 3: Cross multiply
    397,290.17x = 595,953.61 × 131,073.95
  4. Step 4: Simplify right side
    397,290.17x = 78,113,990,699.69
  5. Step 5: Solve for x
    x = 78,113,990,699.69/397,290.17
  6. Step 6: Final answer
    x = 196,616.98

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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.