Home / 156,188.62-215,540.58-84,569.32

Finding the Fourth Proportional to 156,188.62, 215,540.58 and 84,569.32

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Solution

The fourth proportional to 156,188.62, 215,540.58 and 84,569.32 is: 116,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,188.62 : 215,540.58 = 84,569.32 : x
  2. Step 2: Convert to fraction form
    156,188.62/215,540.58 = 84,569.32/x
  3. Step 3: Cross multiply
    156,188.62x = 215,540.58 × 84,569.32
  4. Step 4: Simplify right side
    156,188.62x = 18,228,120,283.01
  5. Step 5: Solve for x
    x = 18,228,120,283.01/156,188.62
  6. Step 6: Final answer
    x = 116,705.82

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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.