Home / 129,175.33-193,800.05-54,256.94

Finding the Fourth Proportional to 129,175.33, 193,800.05 and 54,256.94

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Solution

The fourth proportional to 129,175.33, 193,800.05 and 54,256.94 is: 81,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,175.33 : 193,800.05 = 54,256.94 : x
  2. Step 2: Convert to fraction form
    129,175.33/193,800.05 = 54,256.94/x
  3. Step 3: Cross multiply
    129,175.33x = 193,800.05 × 54,256.94
  4. Step 4: Simplify right side
    129,175.33x = 10,514,997,413.56
  5. Step 5: Solve for x
    x = 10,514,997,413.56/129,175.33
  6. Step 6: Final answer
    x = 81,400.98

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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.