Home / 177,790.60-266,685.90-111,305.80

Finding the Fourth Proportional to 177,790.60, 266,685.90 and 111,305.80

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Solution

The fourth proportional to 177,790.60, 266,685.90 and 111,305.80 is: 166,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,790.60 : 266,685.90 = 111,305.80 : x
  2. Step 2: Convert to fraction form
    177,790.60/266,685.90 = 111,305.80/x
  3. Step 3: Cross multiply
    177,790.60x = 266,685.90 × 111,305.80
  4. Step 4: Simplify right side
    177,790.60x = 29,683,687,448.22
  5. Step 5: Solve for x
    x = 29,683,687,448.22/177,790.60
  6. Step 6: Final answer
    x = 166,958.70

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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.