Home / 205,681.17-283,839.20-115,036.77

Finding the Fourth Proportional to 205,681.17, 283,839.20 and 115,036.77

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Solution

The fourth proportional to 205,681.17, 283,839.20 and 115,036.77 is: 158,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,681.17 : 283,839.20 = 115,036.77 : x
  2. Step 2: Convert to fraction form
    205,681.17/283,839.20 = 115,036.77/x
  3. Step 3: Cross multiply
    205,681.17x = 283,839.20 × 115,036.77
  4. Step 4: Simplify right side
    205,681.17x = 32,651,944,192.20
  5. Step 5: Solve for x
    x = 32,651,944,192.20/205,681.17
  6. Step 6: Final answer
    x = 158,750.28

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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.