Home / 120,908.10-181,448.55-50,837.70

Finding the Fourth Proportional to 120,908.10, 181,448.55 and 50,837.70

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Solution

The fourth proportional to 120,908.10, 181,448.55 and 50,837.70 is: 76,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,908.10 : 181,448.55 = 50,837.70 : x
  2. Step 2: Convert to fraction form
    120,908.10/181,448.55 = 50,837.70/x
  3. Step 3: Cross multiply
    120,908.10x = 181,448.55 × 50,837.70
  4. Step 4: Simplify right side
    120,908.10x = 9,224,426,950.34
  5. Step 5: Solve for x
    x = 9,224,426,950.34/120,908.10
  6. Step 6: Final answer
    x = 76,292.88

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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.