Home / 114,182.64-157,624.92-66,418.56

Finding the Fourth Proportional to 114,182.64, 157,624.92 and 66,418.56

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Solution

The fourth proportional to 114,182.64, 157,624.92 and 66,418.56 is: 91,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,182.64 : 157,624.92 = 66,418.56 : x
  2. Step 2: Convert to fraction form
    114,182.64/157,624.92 = 66,418.56/x
  3. Step 3: Cross multiply
    114,182.64x = 157,624.92 × 66,418.56
  4. Step 4: Simplify right side
    114,182.64x = 10,469,220,206.52
  5. Step 5: Solve for x
    x = 10,469,220,206.52/114,182.64
  6. Step 6: Final answer
    x = 91,688.37

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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.