Home / 156,211.96-215,572.62-84,592.06

Finding the Fourth Proportional to 156,211.96, 215,572.62 and 84,592.06

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Solution

The fourth proportional to 156,211.96, 215,572.62 and 84,592.06 is: 116,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,211.96 : 215,572.62 = 84,592.06 : x
  2. Step 2: Convert to fraction form
    156,211.96/215,572.62 = 84,592.06/x
  3. Step 3: Cross multiply
    156,211.96x = 215,572.62 × 84,592.06
  4. Step 4: Simplify right side
    156,211.96x = 18,235,732,005.40
  5. Step 5: Solve for x
    x = 18,235,732,005.40/156,211.96
  6. Step 6: Final answer
    x = 116,737.11

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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.