Home / 133,314.91-183,977.49-79,589.89

Finding the Fourth Proportional to 133,314.91, 183,977.49 and 79,589.89

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Solution

The fourth proportional to 133,314.91, 183,977.49 and 79,589.89 is: 109,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.91 : 183,977.49 = 79,589.89 : x
  2. Step 2: Convert to fraction form
    133,314.91/183,977.49 = 79,589.89/x
  3. Step 3: Cross multiply
    133,314.91x = 183,977.49 × 79,589.89
  4. Step 4: Simplify right side
    133,314.91x = 14,642,748,191.58
  5. Step 5: Solve for x
    x = 14,642,748,191.58/133,314.91
  6. Step 6: Final answer
    x = 109,835.79

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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.