Home / 168,333.51-252,289.77-84,117.31

Finding the Fourth Proportional to 168,333.51, 252,289.77 and 84,117.31

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Solution

The fourth proportional to 168,333.51, 252,289.77 and 84,117.31 is: 126,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,333.51 : 252,289.77 = 84,117.31 : x
  2. Step 2: Convert to fraction form
    168,333.51/252,289.77 = 84,117.31/x
  3. Step 3: Cross multiply
    168,333.51x = 252,289.77 × 84,117.31
  4. Step 4: Simplify right side
    168,333.51x = 21,221,936,792.92
  5. Step 5: Solve for x
    x = 21,221,936,792.92/168,333.51
  6. Step 6: Final answer
    x = 126,070.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.