Home / 120,974.72-181,498.93-61,851.90

Finding the Fourth Proportional to 120,974.72, 181,498.93 and 61,851.90

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Solution

The fourth proportional to 120,974.72, 181,498.93 and 61,851.90 is: 92,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,974.72 : 181,498.93 = 61,851.90 : x
  2. Step 2: Convert to fraction form
    120,974.72/181,498.93 = 61,851.90/x
  3. Step 3: Cross multiply
    120,974.72x = 181,498.93 × 61,851.90
  4. Step 4: Simplify right side
    120,974.72x = 11,226,054,194.46
  5. Step 5: Solve for x
    x = 11,226,054,194.46/120,974.72
  6. Step 6: Final answer
    x = 92,796.70

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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.