Home / 179,216.36-268,885.02-79,362.80

Finding the Fourth Proportional to 179,216.36, 268,885.02 and 79,362.80

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Solution

The fourth proportional to 179,216.36, 268,885.02 and 79,362.80 is: 119,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,216.36 : 268,885.02 = 79,362.80 : x
  2. Step 2: Convert to fraction form
    179,216.36/268,885.02 = 79,362.80/x
  3. Step 3: Cross multiply
    179,216.36x = 268,885.02 × 79,362.80
  4. Step 4: Simplify right side
    179,216.36x = 21,339,468,065.26
  5. Step 5: Solve for x
    x = 21,339,468,065.26/179,216.36
  6. Step 6: Final answer
    x = 119,070.98

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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.