Home / 128,006.06-191,992.23-38,046.86

Finding the Fourth Proportional to 128,006.06, 191,992.23 and 38,046.86

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Solution

The fourth proportional to 128,006.06, 191,992.23 and 38,046.86 is: 57,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,006.06 : 191,992.23 = 38,046.86 : x
  2. Step 2: Convert to fraction form
    128,006.06/191,992.23 = 38,046.86/x
  3. Step 3: Cross multiply
    128,006.06x = 191,992.23 × 38,046.86
  4. Step 4: Simplify right side
    128,006.06x = 7,304,700,535.94
  5. Step 5: Solve for x
    x = 7,304,700,535.94/128,006.06
  6. Step 6: Final answer
    x = 57,065.27

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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.