Home / 134,170.43-185,172.68-86,562.27

Finding the Fourth Proportional to 134,170.43, 185,172.68 and 86,562.27

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Solution

The fourth proportional to 134,170.43, 185,172.68 and 86,562.27 is: 119,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,170.43 : 185,172.68 = 86,562.27 : x
  2. Step 2: Convert to fraction form
    134,170.43/185,172.68 = 86,562.27/x
  3. Step 3: Cross multiply
    134,170.43x = 185,172.68 × 86,562.27
  4. Step 4: Simplify right side
    134,170.43x = 16,028,967,739.19
  5. Step 5: Solve for x
    x = 16,028,967,739.19/134,170.43
  6. Step 6: Final answer
    x = 119,467.22

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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.