Home / 179,708.54-247,999.32-99,138.83

Finding the Fourth Proportional to 179,708.54, 247,999.32 and 99,138.83

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Solution

The fourth proportional to 179,708.54, 247,999.32 and 99,138.83 is: 136,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,708.54 : 247,999.32 = 99,138.83 : x
  2. Step 2: Convert to fraction form
    179,708.54/247,999.32 = 99,138.83/x
  3. Step 3: Cross multiply
    179,708.54x = 247,999.32 × 99,138.83
  4. Step 4: Simplify right side
    179,708.54x = 24,586,361,185.60
  5. Step 5: Solve for x
    x = 24,586,361,185.60/179,708.54
  6. Step 6: Final answer
    x = 136,812.43

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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.