Home / 191,031.06-263,617.62-106,145.94

Finding the Fourth Proportional to 191,031.06, 263,617.62 and 106,145.94

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Solution

The fourth proportional to 191,031.06, 263,617.62 and 106,145.94 is: 146,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,031.06 : 263,617.62 = 106,145.94 : x
  2. Step 2: Convert to fraction form
    191,031.06/263,617.62 = 106,145.94/x
  3. Step 3: Cross multiply
    191,031.06x = 263,617.62 × 106,145.94
  4. Step 4: Simplify right side
    191,031.06x = 27,981,940,075.46
  5. Step 5: Solve for x
    x = 27,981,940,075.46/191,031.06
  6. Step 6: Final answer
    x = 146,478.48

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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.