Home / 177,984.80-266,977.20-111,629.60

Finding the Fourth Proportional to 177,984.80, 266,977.20 and 111,629.60

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Solution

The fourth proportional to 177,984.80, 266,977.20 and 111,629.60 is: 167,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,984.80 : 266,977.20 = 111,629.60 : x
  2. Step 2: Convert to fraction form
    177,984.80/266,977.20 = 111,629.60/x
  3. Step 3: Cross multiply
    177,984.80x = 266,977.20 × 111,629.60
  4. Step 4: Simplify right side
    177,984.80x = 29,802,558,045.12
  5. Step 5: Solve for x
    x = 29,802,558,045.12/177,984.80
  6. Step 6: Final answer
    x = 167,444.40

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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.