Home / 181,900.20-272,850.30-168,778.20

Finding the Fourth Proportional to 181,900.20, 272,850.30 and 168,778.20

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Solution

The fourth proportional to 181,900.20, 272,850.30 and 168,778.20 is: 253,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,900.20 : 272,850.30 = 168,778.20 : x
  2. Step 2: Convert to fraction form
    181,900.20/272,850.30 = 168,778.20/x
  3. Step 3: Cross multiply
    181,900.20x = 272,850.30 × 168,778.20
  4. Step 4: Simplify right side
    181,900.20x = 46,051,182,503.46
  5. Step 5: Solve for x
    x = 46,051,182,503.46/181,900.20
  6. Step 6: Final answer
    x = 253,167.30

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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.