Home / 156,082.04-215,393.78-84,462.05

Finding the Fourth Proportional to 156,082.04, 215,393.78 and 84,462.05

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Solution

The fourth proportional to 156,082.04, 215,393.78 and 84,462.05 is: 116,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,082.04 : 215,393.78 = 84,462.05 : x
  2. Step 2: Convert to fraction form
    156,082.04/215,393.78 = 84,462.05/x
  3. Step 3: Cross multiply
    156,082.04x = 215,393.78 × 84,462.05
  4. Step 4: Simplify right side
    156,082.04x = 18,192,600,216.05
  5. Step 5: Solve for x
    x = 18,192,600,216.05/156,082.04
  6. Step 6: Final answer
    x = 116,557.93

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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.