Home / 156,267.45-215,650.12-84,647.47

Finding the Fourth Proportional to 156,267.45, 215,650.12 and 84,647.47

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Solution

The fourth proportional to 156,267.45, 215,650.12 and 84,647.47 is: 116,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,267.45 : 215,650.12 = 84,647.47 : x
  2. Step 2: Convert to fraction form
    156,267.45/215,650.12 = 84,647.47/x
  3. Step 3: Cross multiply
    156,267.45x = 215,650.12 × 84,647.47
  4. Step 4: Simplify right side
    156,267.45x = 18,254,237,644.52
  5. Step 5: Solve for x
    x = 18,254,237,644.52/156,267.45
  6. Step 6: Final answer
    x = 116,814.07

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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.