Home / 243,517.37-336,053.09-136,087.38

Finding the Fourth Proportional to 243,517.37, 336,053.09 and 136,087.38

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Solution

The fourth proportional to 243,517.37, 336,053.09 and 136,087.38 is: 187,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,517.37 : 336,053.09 = 136,087.38 : x
  2. Step 2: Convert to fraction form
    243,517.37/336,053.09 = 136,087.38/x
  3. Step 3: Cross multiply
    243,517.37x = 336,053.09 × 136,087.38
  4. Step 4: Simplify right side
    243,517.37x = 45,732,583,878.57
  5. Step 5: Solve for x
    x = 45,732,583,878.57/243,517.37
  6. Step 6: Final answer
    x = 187,800.09

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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.