Home / 122,378.31-183,582.05-43,500.51

Finding the Fourth Proportional to 122,378.31, 183,582.05 and 43,500.51

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Solution

The fourth proportional to 122,378.31, 183,582.05 and 43,500.51 is: 65,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,378.31 : 183,582.05 = 43,500.51 : x
  2. Step 2: Convert to fraction form
    122,378.31/183,582.05 = 43,500.51/x
  3. Step 3: Cross multiply
    122,378.31x = 183,582.05 × 43,500.51
  4. Step 4: Simplify right side
    122,378.31x = 7,985,912,584.34
  5. Step 5: Solve for x
    x = 7,985,912,584.34/122,378.31
  6. Step 6: Final answer
    x = 65,255.95

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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.