Home / 156,046.33-215,564.39-124,174.45

Finding the Fourth Proportional to 156,046.33, 215,564.39 and 124,174.45

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Solution

The fourth proportional to 156,046.33, 215,564.39 and 124,174.45 is: 171,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,046.33 : 215,564.39 = 124,174.45 : x
  2. Step 2: Convert to fraction form
    156,046.33/215,564.39 = 124,174.45/x
  3. Step 3: Cross multiply
    156,046.33x = 215,564.39 × 124,174.45
  4. Step 4: Simplify right side
    156,046.33x = 26,767,589,567.84
  5. Step 5: Solve for x
    x = 26,767,589,567.84/156,046.33
  6. Step 6: Final answer
    x = 171,536.17

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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.