Home / 128,149.41-192,265.25-61,594.37

Finding the Fourth Proportional to 128,149.41, 192,265.25 and 61,594.37

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Solution

The fourth proportional to 128,149.41, 192,265.25 and 61,594.37 is: 92,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,149.41 : 192,265.25 = 61,594.37 : x
  2. Step 2: Convert to fraction form
    128,149.41/192,265.25 = 61,594.37/x
  3. Step 3: Cross multiply
    128,149.41x = 192,265.25 × 61,594.37
  4. Step 4: Simplify right side
    128,149.41x = 11,842,455,677.34
  5. Step 5: Solve for x
    x = 11,842,455,677.34/128,149.41
  6. Step 6: Final answer
    x = 92,411.32

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1.5x scale

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.