Home / 191,138.52-263,382.39-147,855.18

Finding the Fourth Proportional to 191,138.52, 263,382.39 and 147,855.18

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Solution

The fourth proportional to 191,138.52, 263,382.39 and 147,855.18 is: 203,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,138.52 : 263,382.39 = 147,855.18 : x
  2. Step 2: Convert to fraction form
    191,138.52/263,382.39 = 147,855.18/x
  3. Step 3: Cross multiply
    191,138.52x = 263,382.39 × 147,855.18
  4. Step 4: Simplify right side
    191,138.52x = 38,942,450,682.28
  5. Step 5: Solve for x
    x = 38,942,450,682.28/191,138.52
  6. Step 6: Final answer
    x = 203,739.42

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1.5x scale

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.