Home / 189,613.08-284,436.63-49,372.92

Finding the Fourth Proportional to 189,613.08, 284,436.63 and 49,372.92

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Solution

The fourth proportional to 189,613.08, 284,436.63 and 49,372.92 is: 74,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,613.08 : 284,436.63 = 49,372.92 : x
  2. Step 2: Convert to fraction form
    189,613.08/284,436.63 = 49,372.92/x
  3. Step 3: Cross multiply
    189,613.08x = 284,436.63 × 49,372.92
  4. Step 4: Simplify right side
    189,613.08x = 14,043,466,978.06
  5. Step 5: Solve for x
    x = 14,043,466,978.06/189,613.08
  6. Step 6: Final answer
    x = 74,063.81

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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.