Home / 177,580.80-266,371.20-111,225.60

Finding the Fourth Proportional to 177,580.80, 266,371.20 and 111,225.60

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Solution

The fourth proportional to 177,580.80, 266,371.20 and 111,225.60 is: 166,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,580.80 : 266,371.20 = 111,225.60 : x
  2. Step 2: Convert to fraction form
    177,580.80/266,371.20 = 111,225.60/x
  3. Step 3: Cross multiply
    177,580.80x = 266,371.20 × 111,225.60
  4. Step 4: Simplify right side
    177,580.80x = 29,627,296,542.72
  5. Step 5: Solve for x
    x = 29,627,296,542.72/177,580.80
  6. Step 6: Final answer
    x = 166,838.40

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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.