Home / 122,461.92-183,637.35-43,578.18

Finding the Fourth Proportional to 122,461.92, 183,637.35 and 43,578.18

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Solution

The fourth proportional to 122,461.92, 183,637.35 and 43,578.18 is: 65,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,461.92 : 183,637.35 = 43,578.18 : x
  2. Step 2: Convert to fraction form
    122,461.92/183,637.35 = 43,578.18/x
  3. Step 3: Cross multiply
    122,461.92x = 183,637.35 × 43,578.18
  4. Step 4: Simplify right side
    122,461.92x = 8,002,581,493.02
  5. Step 5: Solve for x
    x = 8,002,581,493.02/122,461.92
  6. Step 6: Final answer
    x = 65,347.51

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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.