Home / 211,722.15-292,175.25-114,927.90

Finding the Fourth Proportional to 211,722.15, 292,175.25 and 114,927.90

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Solution

The fourth proportional to 211,722.15, 292,175.25 and 114,927.90 is: 158,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,722.15 : 292,175.25 = 114,927.90 : x
  2. Step 2: Convert to fraction form
    211,722.15/292,175.25 = 114,927.90/x
  3. Step 3: Cross multiply
    211,722.15x = 292,175.25 × 114,927.90
  4. Step 4: Simplify right side
    211,722.15x = 33,579,087,914.48
  5. Step 5: Solve for x
    x = 33,579,087,914.48/211,722.15
  6. Step 6: Final answer
    x = 158,599.79

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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.