Home / 120,824.94-181,296.81-54,312.06

Finding the Fourth Proportional to 120,824.94, 181,296.81 and 54,312.06

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Solution

The fourth proportional to 120,824.94, 181,296.81 and 54,312.06 is: 81,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,824.94 : 181,296.81 = 54,312.06 : x
  2. Step 2: Convert to fraction form
    120,824.94/181,296.81 = 54,312.06/x
  3. Step 3: Cross multiply
    120,824.94x = 181,296.81 × 54,312.06
  4. Step 4: Simplify right side
    120,824.94x = 9,846,603,222.53
  5. Step 5: Solve for x
    x = 9,846,603,222.53/120,824.94
  6. Step 6: Final answer
    x = 81,494.79

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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.