Home / 131,890.55-181,908.54-113,524.92

Finding the Fourth Proportional to 131,890.55, 181,908.54 and 113,524.92

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Solution

The fourth proportional to 131,890.55, 181,908.54 and 113,524.92 is: 156,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.55 : 181,908.54 = 113,524.92 : x
  2. Step 2: Convert to fraction form
    131,890.55/181,908.54 = 113,524.92/x
  3. Step 3: Cross multiply
    131,890.55x = 181,908.54 × 113,524.92
  4. Step 4: Simplify right side
    131,890.55x = 20,651,151,883.19
  5. Step 5: Solve for x
    x = 20,651,151,883.19/131,890.55
  6. Step 6: Final answer
    x = 156,577.95

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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.