Home / 156,187.27-215,537.52-84,565.81

Finding the Fourth Proportional to 156,187.27, 215,537.52 and 84,565.81

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Solution

The fourth proportional to 156,187.27, 215,537.52 and 84,565.81 is: 116,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,187.27 : 215,537.52 = 84,565.81 : x
  2. Step 2: Convert to fraction form
    156,187.27/215,537.52 = 84,565.81/x
  3. Step 3: Cross multiply
    156,187.27x = 215,537.52 × 84,565.81
  4. Step 4: Simplify right side
    156,187.27x = 18,227,104,964.19
  5. Step 5: Solve for x
    x = 18,227,104,964.19/156,187.27
  6. Step 6: Final answer
    x = 116,700.32

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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.