Home / 177,855.59-266,783.83-72,674.55

Finding the Fourth Proportional to 177,855.59, 266,783.83 and 72,674.55

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Solution

The fourth proportional to 177,855.59, 266,783.83 and 72,674.55 is: 109,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,855.59 : 266,783.83 = 72,674.55 : x
  2. Step 2: Convert to fraction form
    177,855.59/266,783.83 = 72,674.55/x
  3. Step 3: Cross multiply
    177,855.59x = 266,783.83 × 72,674.55
  4. Step 4: Simplify right side
    177,855.59x = 19,388,394,792.53
  5. Step 5: Solve for x
    x = 19,388,394,792.53/177,855.59
  6. Step 6: Final answer
    x = 109,012.01

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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.