Home / 120,844.19-181,284.74-61,647.55

Finding the Fourth Proportional to 120,844.19, 181,284.74 and 61,647.55

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Solution

The fourth proportional to 120,844.19, 181,284.74 and 61,647.55 is: 92,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,844.19 : 181,284.74 = 61,647.55 : x
  2. Step 2: Convert to fraction form
    120,844.19/181,284.74 = 61,647.55/x
  3. Step 3: Cross multiply
    120,844.19x = 181,284.74 × 61,647.55
  4. Step 4: Simplify right side
    120,844.19x = 11,175,760,073.39
  5. Step 5: Solve for x
    x = 11,175,760,073.39/120,844.19
  6. Step 6: Final answer
    x = 92,480.74

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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.