Home / 211,651.17-292,083.33-121,015.41

Finding the Fourth Proportional to 211,651.17, 292,083.33 and 121,015.41

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Solution

The fourth proportional to 211,651.17, 292,083.33 and 121,015.41 is: 167,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,651.17 : 292,083.33 = 121,015.41 : x
  2. Step 2: Convert to fraction form
    211,651.17/292,083.33 = 121,015.41/x
  3. Step 3: Cross multiply
    211,651.17x = 292,083.33 × 121,015.41
  4. Step 4: Simplify right side
    211,651.17x = 35,346,583,934.12
  5. Step 5: Solve for x
    x = 35,346,583,934.12/211,651.17
  6. Step 6: Final answer
    x = 167,003.96

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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.