Home / 106,434.18-146,900.46-61,143.22

Finding the Fourth Proportional to 106,434.18, 146,900.46 and 61,143.22

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Solution

The fourth proportional to 106,434.18, 146,900.46 and 61,143.22 is: 84,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.18 : 146,900.46 = 61,143.22 : x
  2. Step 2: Convert to fraction form
    106,434.18/146,900.46 = 61,143.22/x
  3. Step 3: Cross multiply
    106,434.18x = 146,900.46 × 61,143.22
  4. Step 4: Simplify right side
    106,434.18x = 8,981,967,143.88
  5. Step 5: Solve for x
    x = 8,981,967,143.88/106,434.18
  6. Step 6: Final answer
    x = 84,389.87

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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.