Home / 109,916.20-164,841.90-43,334.20

Finding the Fourth Proportional to 109,916.20, 164,841.90 and 43,334.20

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Solution

The fourth proportional to 109,916.20, 164,841.90 and 43,334.20 is: 64,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.20 : 164,841.90 = 43,334.20 : x
  2. Step 2: Convert to fraction form
    109,916.20/164,841.90 = 43,334.20/x
  3. Step 3: Cross multiply
    109,916.20x = 164,841.90 × 43,334.20
  4. Step 4: Simplify right side
    109,916.20x = 7,143,291,862.98
  5. Step 5: Solve for x
    x = 7,143,291,862.98/109,916.20
  6. Step 6: Final answer
    x = 64,988.53

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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.