Home / 268,981.08-403,524.84-79,444.86

Finding the Fourth Proportional to 268,981.08, 403,524.84 and 79,444.86

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Solution

The fourth proportional to 268,981.08, 403,524.84 and 79,444.86 is: 119,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,981.08 : 403,524.84 = 79,444.86 : x
  2. Step 2: Convert to fraction form
    268,981.08/403,524.84 = 79,444.86/x
  3. Step 3: Cross multiply
    268,981.08x = 403,524.84 × 79,444.86
  4. Step 4: Simplify right side
    268,981.08x = 32,057,974,420.32
  5. Step 5: Solve for x
    x = 32,057,974,420.32/268,981.08
  6. Step 6: Final answer
    x = 119,183.01

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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.