Home / 222,964.15-307,786.52-136,937.08

Finding the Fourth Proportional to 222,964.15, 307,786.52 and 136,937.08

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Solution

The fourth proportional to 222,964.15, 307,786.52 and 136,937.08 is: 189,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,964.15 : 307,786.52 = 136,937.08 : x
  2. Step 2: Convert to fraction form
    222,964.15/307,786.52 = 136,937.08/x
  3. Step 3: Cross multiply
    222,964.15x = 307,786.52 × 136,937.08
  4. Step 4: Simplify right side
    222,964.15x = 42,147,387,312.16
  5. Step 5: Solve for x
    x = 42,147,387,312.16/222,964.15
  6. Step 6: Final answer
    x = 189,032.13

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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.