Home / 128,232.16-192,324.08-34,725.60

Finding the Fourth Proportional to 128,232.16, 192,324.08 and 34,725.60

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Solution

The fourth proportional to 128,232.16, 192,324.08 and 34,725.60 is: 52,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,232.16 : 192,324.08 = 34,725.60 : x
  2. Step 2: Convert to fraction form
    128,232.16/192,324.08 = 34,725.60/x
  3. Step 3: Cross multiply
    128,232.16x = 192,324.08 × 34,725.60
  4. Step 4: Simplify right side
    128,232.16x = 6,678,569,072.45
  5. Step 5: Solve for x
    x = 6,678,569,072.45/128,232.16
  6. Step 6: Final answer
    x = 52,081.86

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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.