Home / 156,214.59-215,576.14-84,594.61

Finding the Fourth Proportional to 156,214.59, 215,576.14 and 84,594.61

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Solution

The fourth proportional to 156,214.59, 215,576.14 and 84,594.61 is: 116,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,214.59 : 215,576.14 = 84,594.61 : x
  2. Step 2: Convert to fraction form
    156,214.59/215,576.14 = 84,594.61/x
  3. Step 3: Cross multiply
    156,214.59x = 215,576.14 × 84,594.61
  4. Step 4: Simplify right side
    156,214.59x = 18,236,579,590.56
  5. Step 5: Solve for x
    x = 18,236,579,590.56/156,214.59
  6. Step 6: Final answer
    x = 116,740.56

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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.