Home / 113,531.48-156,640.62-73,268.60

Finding the Fourth Proportional to 113,531.48, 156,640.62 and 73,268.60

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Solution

The fourth proportional to 113,531.48, 156,640.62 and 73,268.60 is: 101,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,531.48 : 156,640.62 = 73,268.60 : x
  2. Step 2: Convert to fraction form
    113,531.48/156,640.62 = 73,268.60/x
  3. Step 3: Cross multiply
    113,531.48x = 156,640.62 × 73,268.60
  4. Step 4: Simplify right side
    113,531.48x = 11,476,838,930.53
  5. Step 5: Solve for x
    x = 11,476,838,930.53/113,531.48
  6. Step 6: Final answer
    x = 101,089.49

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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.