Home / 181,965.06-251,112.81-105,529.50

Finding the Fourth Proportional to 181,965.06, 251,112.81 and 105,529.50

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Solution

The fourth proportional to 181,965.06, 251,112.81 and 105,529.50 is: 145,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,965.06 : 251,112.81 = 105,529.50 : x
  2. Step 2: Convert to fraction form
    181,965.06/251,112.81 = 105,529.50/x
  3. Step 3: Cross multiply
    181,965.06x = 251,112.81 × 105,529.50
  4. Step 4: Simplify right side
    181,965.06x = 26,499,809,282.90
  5. Step 5: Solve for x
    x = 26,499,809,282.90/181,965.06
  6. Step 6: Final answer
    x = 145,631.31

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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.