Home / 141,789.29-195,537.70-103,488.16

Finding the Fourth Proportional to 141,789.29, 195,537.70 and 103,488.16

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Solution

The fourth proportional to 141,789.29, 195,537.70 and 103,488.16 is: 142,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,789.29 : 195,537.70 = 103,488.16 : x
  2. Step 2: Convert to fraction form
    141,789.29/195,537.70 = 103,488.16/x
  3. Step 3: Cross multiply
    141,789.29x = 195,537.70 × 103,488.16
  4. Step 4: Simplify right side
    141,789.29x = 20,235,835,805.94
  5. Step 5: Solve for x
    x = 20,235,835,805.94/141,789.29
  6. Step 6: Final answer
    x = 142,717.67

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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.