Home / 195,889.94-293,871.79-139,590.38

Finding the Fourth Proportional to 195,889.94, 293,871.79 and 139,590.38

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Solution

The fourth proportional to 195,889.94, 293,871.79 and 139,590.38 is: 209,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,889.94 : 293,871.79 = 139,590.38 : x
  2. Step 2: Convert to fraction form
    195,889.94/293,871.79 = 139,590.38/x
  3. Step 3: Cross multiply
    195,889.94x = 293,871.79 × 139,590.38
  4. Step 4: Simplify right side
    195,889.94x = 41,021,674,837.38
  5. Step 5: Solve for x
    x = 41,021,674,837.38/195,889.94
  6. Step 6: Final answer
    x = 209,411.85

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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.