Home / 179,835.68-248,179.28-98,168.78

Finding the Fourth Proportional to 179,835.68, 248,179.28 and 98,168.78

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Solution

The fourth proportional to 179,835.68, 248,179.28 and 98,168.78 is: 135,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,835.68 : 248,179.28 = 98,168.78 : x
  2. Step 2: Convert to fraction form
    179,835.68/248,179.28 = 98,168.78/x
  3. Step 3: Cross multiply
    179,835.68x = 248,179.28 × 98,168.78
  4. Step 4: Simplify right side
    179,835.68x = 24,363,457,268.48
  5. Step 5: Solve for x
    x = 24,363,457,268.48/179,835.68
  6. Step 6: Final answer
    x = 135,476.21

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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.