Home / 156,114.27-215,439.26-84,495.82

Finding the Fourth Proportional to 156,114.27, 215,439.26 and 84,495.82

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Solution

The fourth proportional to 156,114.27, 215,439.26 and 84,495.82 is: 116,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,114.27 : 215,439.26 = 84,495.82 : x
  2. Step 2: Convert to fraction form
    156,114.27/215,439.26 = 84,495.82/x
  3. Step 3: Cross multiply
    156,114.27x = 215,439.26 × 84,495.82
  4. Step 4: Simplify right side
    156,114.27x = 18,203,716,933.89
  5. Step 5: Solve for x
    x = 18,203,716,933.89/156,114.27
  6. Step 6: Final answer
    x = 116,605.08

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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.