Home / 119,655.78-179,525.43-79,834.02

Finding the Fourth Proportional to 119,655.78, 179,525.43 and 79,834.02

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Solution

The fourth proportional to 119,655.78, 179,525.43 and 79,834.02 is: 119,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,655.78 : 179,525.43 = 79,834.02 : x
  2. Step 2: Convert to fraction form
    119,655.78/179,525.43 = 79,834.02/x
  3. Step 3: Cross multiply
    119,655.78x = 179,525.43 × 79,834.02
  4. Step 4: Simplify right side
    119,655.78x = 14,332,236,769.13
  5. Step 5: Solve for x
    x = 14,332,236,769.13/119,655.78
  6. Step 6: Final answer
    x = 119,778.89

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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.