Home / 120,822.54-181,192.77-45,924.66

Finding the Fourth Proportional to 120,822.54, 181,192.77 and 45,924.66

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Solution

The fourth proportional to 120,822.54, 181,192.77 and 45,924.66 is: 68,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,822.54 : 181,192.77 = 45,924.66 : x
  2. Step 2: Convert to fraction form
    120,822.54/181,192.77 = 45,924.66/x
  3. Step 3: Cross multiply
    120,822.54x = 181,192.77 × 45,924.66
  4. Step 4: Simplify right side
    120,822.54x = 8,321,216,356.71
  5. Step 5: Solve for x
    x = 8,321,216,356.71/120,822.54
  6. Step 6: Final answer
    x = 68,871.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.