Home / 243,824.82-336,506.16-136,422.06

Finding the Fourth Proportional to 243,824.82, 336,506.16 and 136,422.06

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Solution

The fourth proportional to 243,824.82, 336,506.16 and 136,422.06 is: 188,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,824.82 : 336,506.16 = 136,422.06 : x
  2. Step 2: Convert to fraction form
    243,824.82/336,506.16 = 136,422.06/x
  3. Step 3: Cross multiply
    243,824.82x = 336,506.16 × 136,422.06
  4. Step 4: Simplify right side
    243,824.82x = 45,906,863,549.89
  5. Step 5: Solve for x
    x = 45,906,863,549.89/243,824.82
  6. Step 6: Final answer
    x = 188,278.06

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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.