Home / 181,719.09-250,742.43-101,144.55

Finding the Fourth Proportional to 181,719.09, 250,742.43 and 101,144.55

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Solution

The fourth proportional to 181,719.09, 250,742.43 and 101,144.55 is: 139,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,719.09 : 250,742.43 = 101,144.55 : x
  2. Step 2: Convert to fraction form
    181,719.09/250,742.43 = 101,144.55/x
  3. Step 3: Cross multiply
    181,719.09x = 250,742.43 × 101,144.55
  4. Step 4: Simplify right side
    181,719.09x = 25,361,230,248.26
  5. Step 5: Solve for x
    x = 25,361,230,248.26/181,719.09
  6. Step 6: Final answer
    x = 139,562.83

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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.