Home / 141,177.78-194,916.51-87,520.14

Finding the Fourth Proportional to 141,177.78, 194,916.51 and 87,520.14

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Solution

The fourth proportional to 141,177.78, 194,916.51 and 87,520.14 is: 120,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177.78 : 194,916.51 = 87,520.14 : x
  2. Step 2: Convert to fraction form
    141,177.78/194,916.51 = 87,520.14/x
  3. Step 3: Cross multiply
    141,177.78x = 194,916.51 × 87,520.14
  4. Step 4: Simplify right side
    141,177.78x = 17,059,120,243.51
  5. Step 5: Solve for x
    x = 17,059,120,243.51/141,177.78
  6. Step 6: Final answer
    x = 120,834.31

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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.