Home / 131,890.05-181,907.84-113,524.42

Finding the Fourth Proportional to 131,890.05, 181,907.84 and 113,524.42

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Solution

The fourth proportional to 131,890.05, 181,907.84 and 113,524.42 is: 156,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.05 : 181,907.84 = 113,524.42 : x
  2. Step 2: Convert to fraction form
    131,890.05/181,907.84 = 113,524.42/x
  3. Step 3: Cross multiply
    131,890.05x = 181,907.84 × 113,524.42
  4. Step 4: Simplify right side
    131,890.05x = 20,650,982,029.45
  5. Step 5: Solve for x
    x = 20,650,982,029.45/131,890.05
  6. Step 6: Final answer
    x = 156,577.26

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1.5x scale

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.