Home / 179,090.90-247,135.69-98,505.42

Finding the Fourth Proportional to 179,090.90, 247,135.69 and 98,505.42

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Solution

The fourth proportional to 179,090.90, 247,135.69 and 98,505.42 is: 135,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,090.90 : 247,135.69 = 98,505.42 : x
  2. Step 2: Convert to fraction form
    179,090.90/247,135.69 = 98,505.42/x
  3. Step 3: Cross multiply
    179,090.90x = 247,135.69 × 98,505.42
  4. Step 4: Simplify right side
    179,090.90x = 24,344,204,136.81
  5. Step 5: Solve for x
    x = 24,344,204,136.81/179,090.90
  6. Step 6: Final answer
    x = 135,932.11

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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.