Home / 131,889.95-181,907.67-113,524.32

Finding the Fourth Proportional to 131,889.95, 181,907.67 and 113,524.32

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Solution

The fourth proportional to 131,889.95, 181,907.67 and 113,524.32 is: 156,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,889.95 : 181,907.67 = 113,524.32 : x
  2. Step 2: Convert to fraction form
    131,889.95/181,907.67 = 113,524.32/x
  3. Step 3: Cross multiply
    131,889.95x = 181,907.67 × 113,524.32
  4. Step 4: Simplify right side
    131,889.95x = 20,650,944,539.53
  5. Step 5: Solve for x
    x = 20,650,944,539.53/131,889.95
  6. Step 6: Final answer
    x = 156,577.09

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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.