Home / 141,956.43-195,898.95-78,292.86

Finding the Fourth Proportional to 141,956.43, 195,898.95 and 78,292.86

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Solution

The fourth proportional to 141,956.43, 195,898.95 and 78,292.86 is: 108,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,956.43 : 195,898.95 = 78,292.86 : x
  2. Step 2: Convert to fraction form
    141,956.43/195,898.95 = 78,292.86/x
  3. Step 3: Cross multiply
    141,956.43x = 195,898.95 × 78,292.86
  4. Step 4: Simplify right side
    141,956.43x = 15,337,489,066.50
  5. Step 5: Solve for x
    x = 15,337,489,066.50/141,956.43
  6. Step 6: Final answer
    x = 108,043.64

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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.