Home / 128,166.80-192,270.18-61,594.52

Finding the Fourth Proportional to 128,166.80, 192,270.18 and 61,594.52

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Solution

The fourth proportional to 128,166.80, 192,270.18 and 61,594.52 is: 92,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,166.80 : 192,270.18 = 61,594.52 : x
  2. Step 2: Convert to fraction form
    128,166.80/192,270.18 = 61,594.52/x
  3. Step 3: Cross multiply
    128,166.80x = 192,270.18 × 61,594.52
  4. Step 4: Simplify right side
    128,166.80x = 11,842,789,447.41
  5. Step 5: Solve for x
    x = 11,842,789,447.41/128,166.80
  6. Step 6: Final answer
    x = 92,401.38

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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.