Home / 156,066.74-215,371.41-84,448.03

Finding the Fourth Proportional to 156,066.74, 215,371.41 and 84,448.03

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Solution

The fourth proportional to 156,066.74, 215,371.41 and 84,448.03 is: 116,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.74 : 215,371.41 = 84,448.03 : x
  2. Step 2: Convert to fraction form
    156,066.74/215,371.41 = 84,448.03/x
  3. Step 3: Cross multiply
    156,066.74x = 215,371.41 × 84,448.03
  4. Step 4: Simplify right side
    156,066.74x = 18,187,691,292.82
  5. Step 5: Solve for x
    x = 18,187,691,292.82/156,066.74
  6. Step 6: Final answer
    x = 116,537.91

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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.