Home / 141,123.71-194,743.61-83,765.54

Finding the Fourth Proportional to 141,123.71, 194,743.61 and 83,765.54

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Solution

The fourth proportional to 141,123.71, 194,743.61 and 83,765.54 is: 115,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.71 : 194,743.61 = 83,765.54 : x
  2. Step 2: Convert to fraction form
    141,123.71/194,743.61 = 83,765.54/x
  3. Step 3: Cross multiply
    141,123.71x = 194,743.61 × 83,765.54
  4. Step 4: Simplify right side
    141,123.71x = 16,312,802,260.65
  5. Step 5: Solve for x
    x = 16,312,802,260.65/141,123.71
  6. Step 6: Final answer
    x = 115,592.22

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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.