Home / 181,140.20-271,602.30-111,069.80

Finding the Fourth Proportional to 181,140.20, 271,602.30 and 111,069.80

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Solution

The fourth proportional to 181,140.20, 271,602.30 and 111,069.80 is: 166,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,140.20 : 271,602.30 = 111,069.80 : x
  2. Step 2: Convert to fraction form
    181,140.20/271,602.30 = 111,069.80/x
  3. Step 3: Cross multiply
    181,140.20x = 271,602.30 × 111,069.80
  4. Step 4: Simplify right side
    181,140.20x = 30,166,813,140.54
  5. Step 5: Solve for x
    x = 30,166,813,140.54/181,140.20
  6. Step 6: Final answer
    x = 166,538.48

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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.