Home / 141,917.47-195,893.54-84,574.78

Finding the Fourth Proportional to 141,917.47, 195,893.54 and 84,574.78

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Solution

The fourth proportional to 141,917.47, 195,893.54 and 84,574.78 is: 116,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,917.47 : 195,893.54 = 84,574.78 : x
  2. Step 2: Convert to fraction form
    141,917.47/195,893.54 = 84,574.78/x
  3. Step 3: Cross multiply
    141,917.47x = 195,893.54 × 84,574.78
  4. Step 4: Simplify right side
    141,917.47x = 16,567,653,555.37
  5. Step 5: Solve for x
    x = 16,567,653,555.37/141,917.47
  6. Step 6: Final answer
    x = 116,741.47

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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.