Home / 181,999.44-251,179.56-101,434.32

Finding the Fourth Proportional to 181,999.44, 251,179.56 and 101,434.32

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Solution

The fourth proportional to 181,999.44, 251,179.56 and 101,434.32 is: 139,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,999.44 : 251,179.56 = 101,434.32 : x
  2. Step 2: Convert to fraction form
    181,999.44/251,179.56 = 101,434.32/x
  3. Step 3: Cross multiply
    181,999.44x = 251,179.56 × 101,434.32
  4. Step 4: Simplify right side
    181,999.44x = 25,478,227,866.50
  5. Step 5: Solve for x
    x = 25,478,227,866.50/181,999.44
  6. Step 6: Final answer
    x = 139,990.69

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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.