Home / 180,128.68-248,579.42-98,459.27

Finding the Fourth Proportional to 180,128.68, 248,579.42 and 98,459.27

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Solution

The fourth proportional to 180,128.68, 248,579.42 and 98,459.27 is: 135,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,128.68 : 248,579.42 = 98,459.27 : x
  2. Step 2: Convert to fraction form
    180,128.68/248,579.42 = 98,459.27/x
  3. Step 3: Cross multiply
    180,128.68x = 248,579.42 × 98,459.27
  4. Step 4: Simplify right side
    180,128.68x = 24,474,946,495.03
  5. Step 5: Solve for x
    x = 24,474,946,495.03/180,128.68
  6. Step 6: Final answer
    x = 135,874.79

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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.