Home / 128,443.23-192,617.04-44,179.74

Finding the Fourth Proportional to 128,443.23, 192,617.04 and 44,179.74

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Solution

The fourth proportional to 128,443.23, 192,617.04 and 44,179.74 is: 66,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,443.23 : 192,617.04 = 44,179.74 : x
  2. Step 2: Convert to fraction form
    128,443.23/192,617.04 = 44,179.74/x
  3. Step 3: Cross multiply
    128,443.23x = 192,617.04 × 44,179.74
  4. Step 4: Simplify right side
    128,443.23x = 8,509,770,746.77
  5. Step 5: Solve for x
    x = 8,509,770,746.77/128,443.23
  6. Step 6: Final answer
    x = 66,253.17

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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.