Home / 181,958.13-251,107.49-105,477.53

Finding the Fourth Proportional to 181,958.13, 251,107.49 and 105,477.53

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Solution

The fourth proportional to 181,958.13, 251,107.49 and 105,477.53 is: 145,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,958.13 : 251,107.49 = 105,477.53 : x
  2. Step 2: Convert to fraction form
    181,958.13/251,107.49 = 105,477.53/x
  3. Step 3: Cross multiply
    181,958.13x = 251,107.49 × 105,477.53
  4. Step 4: Simplify right side
    181,958.13x = 26,486,196,817.86
  5. Step 5: Solve for x
    x = 26,486,196,817.86/181,958.13
  6. Step 6: Final answer
    x = 145,562.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.