Home / 105,818.20-146,033.31-58,073.26

Finding the Fourth Proportional to 105,818.20, 146,033.31 and 58,073.26

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Solution

The fourth proportional to 105,818.20, 146,033.31 and 58,073.26 is: 80,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,818.20 : 146,033.31 = 58,073.26 : x
  2. Step 2: Convert to fraction form
    105,818.20/146,033.31 = 58,073.26/x
  3. Step 3: Cross multiply
    105,818.20x = 146,033.31 × 58,073.26
  4. Step 4: Simplify right side
    105,818.20x = 8,480,630,380.29
  5. Step 5: Solve for x
    x = 8,480,630,380.29/105,818.20
  6. Step 6: Final answer
    x = 80,143.40

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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.