Home / 156,218.31-215,581.47-84,598.44

Finding the Fourth Proportional to 156,218.31, 215,581.47 and 84,598.44

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Solution

The fourth proportional to 156,218.31, 215,581.47 and 84,598.44 is: 116,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,218.31 : 215,581.47 = 84,598.44 : x
  2. Step 2: Convert to fraction form
    156,218.31/215,581.47 = 84,598.44/x
  3. Step 3: Cross multiply
    156,218.31x = 215,581.47 × 84,598.44
  4. Step 4: Simplify right side
    156,218.31x = 18,237,856,054.91
  5. Step 5: Solve for x
    x = 18,237,856,054.91/156,218.31
  6. Step 6: Final answer
    x = 116,745.96

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1.5x scale

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.