Home / 128,345.92-192,541.35-44,114.83

Finding the Fourth Proportional to 128,345.92, 192,541.35 and 44,114.83

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Solution

The fourth proportional to 128,345.92, 192,541.35 and 44,114.83 is: 66,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,345.92 : 192,541.35 = 44,114.83 : x
  2. Step 2: Convert to fraction form
    128,345.92/192,541.35 = 44,114.83/x
  3. Step 3: Cross multiply
    128,345.92x = 192,541.35 × 44,114.83
  4. Step 4: Simplify right side
    128,345.92x = 8,493,928,607.30
  5. Step 5: Solve for x
    x = 8,493,928,607.30/128,345.92
  6. Step 6: Final answer
    x = 66,179.97

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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.