Home / 189,822.14-284,146.77-104,218.91

Finding the Fourth Proportional to 189,822.14, 284,146.77 and 104,218.91

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Solution

The fourth proportional to 189,822.14, 284,146.77 and 104,218.91 is: 156,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,822.14 : 284,146.77 = 104,218.91 : x
  2. Step 2: Convert to fraction form
    189,822.14/284,146.77 = 104,218.91/x
  3. Step 3: Cross multiply
    189,822.14x = 284,146.77 × 104,218.91
  4. Step 4: Simplify right side
    189,822.14x = 29,613,466,649.42
  5. Step 5: Solve for x
    x = 29,613,466,649.42/189,822.14
  6. Step 6: Final answer
    x = 156,006.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.