Home / 243,972.52-336,696.90-136,540.32

Finding the Fourth Proportional to 243,972.52, 336,696.90 and 136,540.32

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Solution

The fourth proportional to 243,972.52, 336,696.90 and 136,540.32 is: 188,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,972.52 : 336,696.90 = 136,540.32 : x
  2. Step 2: Convert to fraction form
    243,972.52/336,696.90 = 136,540.32/x
  3. Step 3: Cross multiply
    243,972.52x = 336,696.90 × 136,540.32
  4. Step 4: Simplify right side
    243,972.52x = 45,972,702,469.01
  5. Step 5: Solve for x
    x = 45,972,702,469.01/243,972.52
  6. Step 6: Final answer
    x = 188,433.94

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1.5x scale

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.