Home / 141,569.21-195,359.73-81,097.76

Finding the Fourth Proportional to 141,569.21, 195,359.73 and 81,097.76

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Solution

The fourth proportional to 141,569.21, 195,359.73 and 81,097.76 is: 111,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,569.21 : 195,359.73 = 81,097.76 : x
  2. Step 2: Convert to fraction form
    141,569.21/195,359.73 = 81,097.76/x
  3. Step 3: Cross multiply
    141,569.21x = 195,359.73 × 81,097.76
  4. Step 4: Simplify right side
    141,569.21x = 15,843,236,497.20
  5. Step 5: Solve for x
    x = 15,843,236,497.20/141,569.21
  6. Step 6: Final answer
    x = 111,911.60

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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.