Home / 215,292.22-322,643.08-136,265.38

Finding the Fourth Proportional to 215,292.22, 322,643.08 and 136,265.38

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Solution

The fourth proportional to 215,292.22, 322,643.08 and 136,265.38 is: 204,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,292.22 : 322,643.08 = 136,265.38 : x
  2. Step 2: Convert to fraction form
    215,292.22/322,643.08 = 136,265.38/x
  3. Step 3: Cross multiply
    215,292.22x = 322,643.08 × 136,265.38
  4. Step 4: Simplify right side
    215,292.22x = 43,965,081,264.29
  5. Step 5: Solve for x
    x = 43,965,081,264.29/215,292.22
  6. Step 6: Final answer
    x = 204,211.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.