Home / 243,635.06-336,218.78-136,210.97

Finding the Fourth Proportional to 243,635.06, 336,218.78 and 136,210.97

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Solution

The fourth proportional to 243,635.06, 336,218.78 and 136,210.97 is: 187,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,635.06 : 336,218.78 = 136,210.97 : x
  2. Step 2: Convert to fraction form
    243,635.06/336,218.78 = 136,210.97/x
  3. Step 3: Cross multiply
    243,635.06x = 336,218.78 × 136,210.97
  4. Step 4: Simplify right side
    243,635.06x = 45,796,686,156.02
  5. Step 5: Solve for x
    x = 45,796,686,156.02/243,635.06
  6. Step 6: Final answer
    x = 187,972.48

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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.