Home / 141,265.12-195,001.40-84,665.56

Finding the Fourth Proportional to 141,265.12, 195,001.40 and 84,665.56

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Solution

The fourth proportional to 141,265.12, 195,001.40 and 84,665.56 is: 116,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,265.12 : 195,001.40 = 84,665.56 : x
  2. Step 2: Convert to fraction form
    141,265.12/195,001.40 = 84,665.56/x
  3. Step 3: Cross multiply
    141,265.12x = 195,001.40 × 84,665.56
  4. Step 4: Simplify right side
    141,265.12x = 16,509,902,731.78
  5. Step 5: Solve for x
    x = 16,509,902,731.78/141,265.12
  6. Step 6: Final answer
    x = 116,871.76

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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.