Home / 156,186.29-215,537.18-84,566.36

Finding the Fourth Proportional to 156,186.29, 215,537.18 and 84,566.36

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Solution

The fourth proportional to 156,186.29, 215,537.18 and 84,566.36 is: 116,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,186.29 : 215,537.18 = 84,566.36 : x
  2. Step 2: Convert to fraction form
    156,186.29/215,537.18 = 84,566.36/x
  3. Step 3: Cross multiply
    156,186.29x = 215,537.18 × 84,566.36
  4. Step 4: Simplify right side
    156,186.29x = 18,227,193,256.75
  5. Step 5: Solve for x
    x = 18,227,193,256.75/156,186.29
  6. Step 6: Final answer
    x = 116,701.62

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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.