Home / 141,881.54-195,806.24-86,714.56

Finding the Fourth Proportional to 141,881.54, 195,806.24 and 86,714.56

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Solution

The fourth proportional to 141,881.54, 195,806.24 and 86,714.56 is: 119,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,881.54 : 195,806.24 = 86,714.56 : x
  2. Step 2: Convert to fraction form
    141,881.54/195,806.24 = 86,714.56/x
  3. Step 3: Cross multiply
    141,881.54x = 195,806.24 × 86,714.56
  4. Step 4: Simplify right side
    141,881.54x = 16,979,251,946.85
  5. Step 5: Solve for x
    x = 16,979,251,946.85/141,881.54
  6. Step 6: Final answer
    x = 119,672.03

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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.