Home / 181,561.46-250,551.20-100,987.24

Finding the Fourth Proportional to 181,561.46, 250,551.20 and 100,987.24

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Solution

The fourth proportional to 181,561.46, 250,551.20 and 100,987.24 is: 139,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,561.46 : 250,551.20 = 100,987.24 : x
  2. Step 2: Convert to fraction form
    181,561.46/250,551.20 = 100,987.24/x
  3. Step 3: Cross multiply
    181,561.46x = 250,551.20 × 100,987.24
  4. Step 4: Simplify right side
    181,561.46x = 25,302,474,166.69
  5. Step 5: Solve for x
    x = 25,302,474,166.69/181,561.46
  6. Step 6: Final answer
    x = 139,360.38

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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.