Home / 179,123.04-268,642.56-79,228.80

Finding the Fourth Proportional to 179,123.04, 268,642.56 and 79,228.80

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Solution

The fourth proportional to 179,123.04, 268,642.56 and 79,228.80 is: 118,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,123.04 : 268,642.56 = 79,228.80 : x
  2. Step 2: Convert to fraction form
    179,123.04/268,642.56 = 79,228.80/x
  3. Step 3: Cross multiply
    179,123.04x = 268,642.56 × 79,228.80
  4. Step 4: Simplify right side
    179,123.04x = 21,284,227,657.73
  5. Step 5: Solve for x
    x = 21,284,227,657.73/179,123.04
  6. Step 6: Final answer
    x = 118,824.62

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1.5x scale

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.