Home / 128,436.76-192,605.22-44,180.92

Finding the Fourth Proportional to 128,436.76, 192,605.22 and 44,180.92

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Solution

The fourth proportional to 128,436.76, 192,605.22 and 44,180.92 is: 66,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,436.76 : 192,605.22 = 44,180.92 : x
  2. Step 2: Convert to fraction form
    128,436.76/192,605.22 = 44,180.92/x
  3. Step 3: Cross multiply
    128,436.76x = 192,605.22 × 44,180.92
  4. Step 4: Simplify right side
    128,436.76x = 8,509,475,816.40
  5. Step 5: Solve for x
    x = 8,509,475,816.40/128,436.76
  6. Step 6: Final answer
    x = 66,254.21

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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.