Home / 192,738.72-265,724.60-158,156.79

Finding the Fourth Proportional to 192,738.72, 265,724.60 and 158,156.79

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Solution

The fourth proportional to 192,738.72, 265,724.60 and 158,156.79 is: 218,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,738.72 : 265,724.60 = 158,156.79 : x
  2. Step 2: Convert to fraction form
    192,738.72/265,724.60 = 158,156.79/x
  3. Step 3: Cross multiply
    192,738.72x = 265,724.60 × 158,156.79
  4. Step 4: Simplify right side
    192,738.72x = 42,026,148,862.41
  5. Step 5: Solve for x
    x = 42,026,148,862.41/192,738.72
  6. Step 6: Final answer
    x = 218,047.25

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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.