Home / 120,904.40-181,291.80-50,704.40

Finding the Fourth Proportional to 120,904.40, 181,291.80 and 50,704.40

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Solution

The fourth proportional to 120,904.40, 181,291.80 and 50,704.40 is: 76,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,904.40 : 181,291.80 = 50,704.40 : x
  2. Step 2: Convert to fraction form
    120,904.40/181,291.80 = 50,704.40/x
  3. Step 3: Cross multiply
    120,904.40x = 181,291.80 × 50,704.40
  4. Step 4: Simplify right side
    120,904.40x = 9,192,291,943.92
  5. Step 5: Solve for x
    x = 9,192,291,943.92/120,904.40
  6. Step 6: Final answer
    x = 76,029.42

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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.