Home / 236,787.12-326,766-136,185.12

Finding the Fourth Proportional to 236,787.12, 326,766 and 136,185.12

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Solution

The fourth proportional to 236,787.12, 326,766 and 136,185.12 is: 187,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,787.12 : 326,766 = 136,185.12 : x
  2. Step 2: Convert to fraction form
    236,787.12/326,766 = 136,185.12/x
  3. Step 3: Cross multiply
    236,787.12x = 326,766 × 136,185.12
  4. Step 4: Simplify right side
    236,787.12x = 44,500,666,921.92
  5. Step 5: Solve for x
    x = 44,500,666,921.92/236,787.12
  6. Step 6: Final answer
    x = 187,935.34

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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.