Home / 181,908.12-250,999.86-101,333.64

Finding the Fourth Proportional to 181,908.12, 250,999.86 and 101,333.64

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Solution

The fourth proportional to 181,908.12, 250,999.86 and 101,333.64 is: 139,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,908.12 : 250,999.86 = 101,333.64 : x
  2. Step 2: Convert to fraction form
    181,908.12/250,999.86 = 101,333.64/x
  3. Step 3: Cross multiply
    181,908.12x = 250,999.86 × 101,333.64
  4. Step 4: Simplify right side
    181,908.12x = 25,434,729,453.29
  5. Step 5: Solve for x
    x = 25,434,729,453.29/181,908.12
  6. Step 6: Final answer
    x = 139,821.85

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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.