Home / 222,649.30-307,268.40-127,187.02

Finding the Fourth Proportional to 222,649.30, 307,268.40 and 127,187.02

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Solution

The fourth proportional to 222,649.30, 307,268.40 and 127,187.02 is: 175,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,649.30 : 307,268.40 = 127,187.02 : x
  2. Step 2: Convert to fraction form
    222,649.30/307,268.40 = 127,187.02/x
  3. Step 3: Cross multiply
    222,649.30x = 307,268.40 × 127,187.02
  4. Step 4: Simplify right side
    222,649.30x = 39,080,552,136.17
  5. Step 5: Solve for x
    x = 39,080,552,136.17/222,649.30
  6. Step 6: Final answer
    x = 175,525.15

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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.