Home / 186,267.95-257,055.27-131,917.36

Finding the Fourth Proportional to 186,267.95, 257,055.27 and 131,917.36

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Solution

The fourth proportional to 186,267.95, 257,055.27 and 131,917.36 is: 182,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,267.95 : 257,055.27 = 131,917.36 : x
  2. Step 2: Convert to fraction form
    186,267.95/257,055.27 = 131,917.36/x
  3. Step 3: Cross multiply
    186,267.95x = 257,055.27 × 131,917.36
  4. Step 4: Simplify right side
    186,267.95x = 33,910,052,679.17
  5. Step 5: Solve for x
    x = 33,910,052,679.17/186,267.95
  6. Step 6: Final answer
    x = 182,049.85

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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.