Home / 189,288.20-283,939.60-49,043.18

Finding the Fourth Proportional to 189,288.20, 283,939.60 and 49,043.18

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Solution

The fourth proportional to 189,288.20, 283,939.60 and 49,043.18 is: 73,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,288.20 : 283,939.60 = 49,043.18 : x
  2. Step 2: Convert to fraction form
    189,288.20/283,939.60 = 49,043.18/x
  3. Step 3: Cross multiply
    189,288.20x = 283,939.60 × 49,043.18
  4. Step 4: Simplify right side
    189,288.20x = 13,925,300,911.93
  5. Step 5: Solve for x
    x = 13,925,300,911.93/189,288.20
  6. Step 6: Final answer
    x = 73,566.66

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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.