Home / 179,621.76-247,892.16-99,056.64

Finding the Fourth Proportional to 179,621.76, 247,892.16 and 99,056.64

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Solution

The fourth proportional to 179,621.76, 247,892.16 and 99,056.64 is: 136,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.76 : 247,892.16 = 99,056.64 : x
  2. Step 2: Convert to fraction form
    179,621.76/247,892.16 = 99,056.64/x
  3. Step 3: Cross multiply
    179,621.76x = 247,892.16 × 99,056.64
  4. Step 4: Simplify right side
    179,621.76x = 24,555,364,451.94
  5. Step 5: Solve for x
    x = 24,555,364,451.94/179,621.76
  6. Step 6: Final answer
    x = 136,705.96

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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.