Home / 238,143.97-328,669.01-137,541.97

Finding the Fourth Proportional to 238,143.97, 328,669.01 and 137,541.97

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Solution

The fourth proportional to 238,143.97, 328,669.01 and 137,541.97 is: 189,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,143.97 : 328,669.01 = 137,541.97 : x
  2. Step 2: Convert to fraction form
    238,143.97/328,669.01 = 137,541.97/x
  3. Step 3: Cross multiply
    238,143.97x = 328,669.01 × 137,541.97
  4. Step 4: Simplify right side
    238,143.97x = 45,205,783,113.35
  5. Step 5: Solve for x
    x = 45,205,783,113.35/238,143.97
  6. Step 6: Final answer
    x = 189,825.44

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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.