Home / 106,433.18-146,899.08-61,142.22

Finding the Fourth Proportional to 106,433.18, 146,899.08 and 61,142.22

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Solution

The fourth proportional to 106,433.18, 146,899.08 and 61,142.22 is: 84,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.18 : 146,899.08 = 61,142.22 : x
  2. Step 2: Convert to fraction form
    106,433.18/146,899.08 = 61,142.22/x
  3. Step 3: Cross multiply
    106,433.18x = 146,899.08 × 61,142.22
  4. Step 4: Simplify right side
    106,433.18x = 8,981,735,867.16
  5. Step 5: Solve for x
    x = 8,981,735,867.16/106,433.18
  6. Step 6: Final answer
    x = 84,388.50

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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.