Home / 141,541.26-195,332.30-81,123.56

Finding the Fourth Proportional to 141,541.26, 195,332.30 and 81,123.56

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Solution

The fourth proportional to 141,541.26, 195,332.30 and 81,123.56 is: 111,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,541.26 : 195,332.30 = 81,123.56 : x
  2. Step 2: Convert to fraction form
    141,541.26/195,332.30 = 81,123.56/x
  3. Step 3: Cross multiply
    141,541.26x = 195,332.30 × 81,123.56
  4. Step 4: Simplify right side
    141,541.26x = 15,846,051,558.99
  5. Step 5: Solve for x
    x = 15,846,051,558.99/141,541.26
  6. Step 6: Final answer
    x = 111,953.59

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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.