Home / 191,031.52-263,611.92-106,145.68

Finding the Fourth Proportional to 191,031.52, 263,611.92 and 106,145.68

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Solution

The fourth proportional to 191,031.52, 263,611.92 and 106,145.68 is: 146,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,031.52 : 263,611.92 = 106,145.68 : x
  2. Step 2: Convert to fraction form
    191,031.52/263,611.92 = 106,145.68/x
  3. Step 3: Cross multiply
    191,031.52x = 263,611.92 × 106,145.68
  4. Step 4: Simplify right side
    191,031.52x = 27,981,266,504.51
  5. Step 5: Solve for x
    x = 27,981,266,504.51/191,031.52
  6. Step 6: Final answer
    x = 146,474.61

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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.