Home / 74,151.80-111,226.77-17,992.38

Finding the Fourth Proportional to 74,151.80, 111,226.77 and 17,992.38

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Solution

The fourth proportional to 74,151.80, 111,226.77 and 17,992.38 is: 26,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.80 : 111,226.77 = 17,992.38 : x
  2. Step 2: Convert to fraction form
    74,151.80/111,226.77 = 17,992.38/x
  3. Step 3: Cross multiply
    74,151.80x = 111,226.77 × 17,992.38
  4. Step 4: Simplify right side
    74,151.80x = 2,001,233,800.86
  5. Step 5: Solve for x
    x = 2,001,233,800.86/74,151.80
  6. Step 6: Final answer
    x = 26,988.34

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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.