Home / 141,694.63-195,535.61-78,032.95

Finding the Fourth Proportional to 141,694.63, 195,535.61 and 78,032.95

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Solution

The fourth proportional to 141,694.63, 195,535.61 and 78,032.95 is: 107,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,694.63 : 195,535.61 = 78,032.95 : x
  2. Step 2: Convert to fraction form
    141,694.63/195,535.61 = 78,032.95/x
  3. Step 3: Cross multiply
    141,694.63x = 195,535.61 × 78,032.95
  4. Step 4: Simplify right side
    141,694.63x = 15,258,219,500.67
  5. Step 5: Solve for x
    x = 15,258,219,500.67/141,694.63
  6. Step 6: Final answer
    x = 107,683.83

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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.