Home / 181,625.31-272,479.43-55,283.46

Finding the Fourth Proportional to 181,625.31, 272,479.43 and 55,283.46

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Solution

The fourth proportional to 181,625.31, 272,479.43 and 55,283.46 is: 82,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,625.31 : 272,479.43 = 55,283.46 : x
  2. Step 2: Convert to fraction form
    181,625.31/272,479.43 = 55,283.46/x
  3. Step 3: Cross multiply
    181,625.31x = 272,479.43 × 55,283.46
  4. Step 4: Simplify right side
    181,625.31x = 15,063,605,392.81
  5. Step 5: Solve for x
    x = 15,063,605,392.81/181,625.31
  6. Step 6: Final answer
    x = 82,937.81

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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.