Home / 177,678.80-266,518.20-163,163.60

Finding the Fourth Proportional to 177,678.80, 266,518.20 and 163,163.60

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Solution

The fourth proportional to 177,678.80, 266,518.20 and 163,163.60 is: 244,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,678.80 : 266,518.20 = 163,163.60 : x
  2. Step 2: Convert to fraction form
    177,678.80/266,518.20 = 163,163.60/x
  3. Step 3: Cross multiply
    177,678.80x = 266,518.20 × 163,163.60
  4. Step 4: Simplify right side
    177,678.80x = 43,486,068,977.52
  5. Step 5: Solve for x
    x = 43,486,068,977.52/177,678.80
  6. Step 6: Final answer
    x = 244,745.40

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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.