Home / 156,267.50-215,650.18-84,647.52

Finding the Fourth Proportional to 156,267.50, 215,650.18 and 84,647.52

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Solution

The fourth proportional to 156,267.50, 215,650.18 and 84,647.52 is: 116,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,267.50 : 215,650.18 = 84,647.52 : x
  2. Step 2: Convert to fraction form
    156,267.50/215,650.18 = 84,647.52/x
  3. Step 3: Cross multiply
    156,267.50x = 215,650.18 × 84,647.52
  4. Step 4: Simplify right side
    156,267.50x = 18,254,253,268.43
  5. Step 5: Solve for x
    x = 18,254,253,268.43/156,267.50
  6. Step 6: Final answer
    x = 116,814.14

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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.