Home / 120,924.48-181,448.16-54,351.20

Finding the Fourth Proportional to 120,924.48, 181,448.16 and 54,351.20

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Solution

The fourth proportional to 120,924.48, 181,448.16 and 54,351.20 is: 81,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924.48 : 181,448.16 = 54,351.20 : x
  2. Step 2: Convert to fraction form
    120,924.48/181,448.16 = 54,351.20/x
  3. Step 3: Cross multiply
    120,924.48x = 181,448.16 × 54,351.20
  4. Step 4: Simplify right side
    120,924.48x = 9,861,925,233.79
  5. Step 5: Solve for x
    x = 9,861,925,233.79/120,924.48
  6. Step 6: Final answer
    x = 81,554.42

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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.