Home / 122,423.17-183,572.24-71,920.83

Finding the Fourth Proportional to 122,423.17, 183,572.24 and 71,920.83

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Solution

The fourth proportional to 122,423.17, 183,572.24 and 71,920.83 is: 107,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,423.17 : 183,572.24 = 71,920.83 : x
  2. Step 2: Convert to fraction form
    122,423.17/183,572.24 = 71,920.83/x
  3. Step 3: Cross multiply
    122,423.17x = 183,572.24 × 71,920.83
  4. Step 4: Simplify right side
    122,423.17x = 13,202,667,865.76
  5. Step 5: Solve for x
    x = 13,202,667,865.76/122,423.17
  6. Step 6: Final answer
    x = 107,844.52

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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.