Home / 177,550.80-266,196.60-72,315.60

Finding the Fourth Proportional to 177,550.80, 266,196.60 and 72,315.60

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Solution

The fourth proportional to 177,550.80, 266,196.60 and 72,315.60 is: 108,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,550.80 : 266,196.60 = 72,315.60 : x
  2. Step 2: Convert to fraction form
    177,550.80/266,196.60 = 72,315.60/x
  3. Step 3: Cross multiply
    177,550.80x = 266,196.60 × 72,315.60
  4. Step 4: Simplify right side
    177,550.80x = 19,250,166,846.96
  5. Step 5: Solve for x
    x = 19,250,166,846.96/177,550.80
  6. Step 6: Final answer
    x = 108,420.61

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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.