Home / 128,010.96-192,016.38-34,516.71

Finding the Fourth Proportional to 128,010.96, 192,016.38 and 34,516.71

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Solution

The fourth proportional to 128,010.96, 192,016.38 and 34,516.71 is: 51,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,010.96 : 192,016.38 = 34,516.71 : x
  2. Step 2: Convert to fraction form
    128,010.96/192,016.38 = 34,516.71/x
  3. Step 3: Cross multiply
    128,010.96x = 192,016.38 × 34,516.71
  4. Step 4: Simplify right side
    128,010.96x = 6,627,773,703.71
  5. Step 5: Solve for x
    x = 6,627,773,703.71/128,010.96
  6. Step 6: Final answer
    x = 51,775.05

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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.