Home / 128,535.86-192,843.18-57,518.27

Finding the Fourth Proportional to 128,535.86, 192,843.18 and 57,518.27

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Solution

The fourth proportional to 128,535.86, 192,843.18 and 57,518.27 is: 86,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,535.86 : 192,843.18 = 57,518.27 : x
  2. Step 2: Convert to fraction form
    128,535.86/192,843.18 = 57,518.27/x
  3. Step 3: Cross multiply
    128,535.86x = 192,843.18 × 57,518.27
  4. Step 4: Simplify right side
    128,535.86x = 11,092,005,853.84
  5. Step 5: Solve for x
    x = 11,092,005,853.84/128,535.86
  6. Step 6: Final answer
    x = 86,295.03

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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.