Home / 205,776.50-283,982.60-115,127.06

Finding the Fourth Proportional to 205,776.50, 283,982.60 and 115,127.06

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Solution

The fourth proportional to 205,776.50, 283,982.60 and 115,127.06 is: 158,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,776.50 : 283,982.60 = 115,127.06 : x
  2. Step 2: Convert to fraction form
    205,776.50/283,982.60 = 115,127.06/x
  3. Step 3: Cross multiply
    205,776.50x = 283,982.60 × 115,127.06
  4. Step 4: Simplify right side
    205,776.50x = 32,694,081,829.16
  5. Step 5: Solve for x
    x = 32,694,081,829.16/205,776.50
  6. Step 6: Final answer
    x = 158,881.51

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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.