Home / 199,212.95-274,904.55-113,169.83

Finding the Fourth Proportional to 199,212.95, 274,904.55 and 113,169.83

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Solution

The fourth proportional to 199,212.95, 274,904.55 and 113,169.83 is: 156,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,212.95 : 274,904.55 = 113,169.83 : x
  2. Step 2: Convert to fraction form
    199,212.95/274,904.55 = 113,169.83/x
  3. Step 3: Cross multiply
    199,212.95x = 274,904.55 × 113,169.83
  4. Step 4: Simplify right side
    199,212.95x = 31,110,899,815.20
  5. Step 5: Solve for x
    x = 31,110,899,815.20/199,212.95
  6. Step 6: Final answer
    x = 156,169.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.