Home / 243,490.05-336,009.82-136,060.97

Finding the Fourth Proportional to 243,490.05, 336,009.82 and 136,060.97

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Solution

The fourth proportional to 243,490.05, 336,009.82 and 136,060.97 is: 187,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,490.05 : 336,009.82 = 136,060.97 : x
  2. Step 2: Convert to fraction form
    243,490.05/336,009.82 = 136,060.97/x
  3. Step 3: Cross multiply
    243,490.05x = 336,009.82 × 136,060.97
  4. Step 4: Simplify right side
    243,490.05x = 45,717,820,273.64
  5. Step 5: Solve for x
    x = 45,717,820,273.64/243,490.05
  6. Step 6: Final answer
    x = 187,760.53

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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.