Home / 164,916.60-246,636.78-138,344.55

Finding the Fourth Proportional to 164,916.60, 246,636.78 and 138,344.55

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Solution

The fourth proportional to 164,916.60, 246,636.78 and 138,344.55 is: 206,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,916.60 : 246,636.78 = 138,344.55 : x
  2. Step 2: Convert to fraction form
    164,916.60/246,636.78 = 138,344.55/x
  3. Step 3: Cross multiply
    164,916.60x = 246,636.78 × 138,344.55
  4. Step 4: Simplify right side
    164,916.60x = 34,120,854,342.55
  5. Step 5: Solve for x
    x = 34,120,854,342.55/164,916.60
  6. Step 6: Final answer
    x = 206,897.63

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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.