Home / 122,161.68-183,184.56-47,316.88

Finding the Fourth Proportional to 122,161.68, 183,184.56 and 47,316.88

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Solution

The fourth proportional to 122,161.68, 183,184.56 and 47,316.88 is: 70,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,161.68 : 183,184.56 = 47,316.88 : x
  2. Step 2: Convert to fraction form
    122,161.68/183,184.56 = 47,316.88/x
  3. Step 3: Cross multiply
    122,161.68x = 183,184.56 × 47,316.88
  4. Step 4: Simplify right side
    122,161.68x = 8,667,721,843.37
  5. Step 5: Solve for x
    x = 8,667,721,843.37/122,161.68
  6. Step 6: Final answer
    x = 70,952.87

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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.