Home / 156,282.57-215,670.93-84,662.54

Finding the Fourth Proportional to 156,282.57, 215,670.93 and 84,662.54

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Solution

The fourth proportional to 156,282.57, 215,670.93 and 84,662.54 is: 116,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,282.57 : 215,670.93 = 84,662.54 : x
  2. Step 2: Convert to fraction form
    156,282.57/215,670.93 = 84,662.54/x
  3. Step 3: Cross multiply
    156,282.57x = 215,670.93 × 84,662.54
  4. Step 4: Simplify right side
    156,282.57x = 18,259,248,737.96
  5. Step 5: Solve for x
    x = 18,259,248,737.96/156,282.57
  6. Step 6: Final answer
    x = 116,834.84

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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.