Home / 177,340.20-266,010.30-145,847.40

Finding the Fourth Proportional to 177,340.20, 266,010.30 and 145,847.40

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Solution

The fourth proportional to 177,340.20, 266,010.30 and 145,847.40 is: 218,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,340.20 : 266,010.30 = 145,847.40 : x
  2. Step 2: Convert to fraction form
    177,340.20/266,010.30 = 145,847.40/x
  3. Step 3: Cross multiply
    177,340.20x = 266,010.30 × 145,847.40
  4. Step 4: Simplify right side
    177,340.20x = 38,796,910,628.22
  5. Step 5: Solve for x
    x = 38,796,910,628.22/177,340.20
  6. Step 6: Final answer
    x = 218,771.10

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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.