Home / 181,997.07-251,138.23-101,417.05

Finding the Fourth Proportional to 181,997.07, 251,138.23 and 101,417.05

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Solution

The fourth proportional to 181,997.07, 251,138.23 and 101,417.05 is: 139,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,997.07 : 251,138.23 = 101,417.05 : x
  2. Step 2: Convert to fraction form
    181,997.07/251,138.23 = 101,417.05/x
  3. Step 3: Cross multiply
    181,997.07x = 251,138.23 × 101,417.05
  4. Step 4: Simplify right side
    181,997.07x = 25,469,698,428.82
  5. Step 5: Solve for x
    x = 25,469,698,428.82/181,997.07
  6. Step 6: Final answer
    x = 139,945.65

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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.