Home / 103,734.20-143,141.31-58,411.06

Finding the Fourth Proportional to 103,734.20, 143,141.31 and 58,411.06

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Solution

The fourth proportional to 103,734.20, 143,141.31 and 58,411.06 is: 80,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734.20 : 143,141.31 = 58,411.06 : x
  2. Step 2: Convert to fraction form
    103,734.20/143,141.31 = 58,411.06/x
  3. Step 3: Cross multiply
    103,734.20x = 143,141.31 × 58,411.06
  4. Step 4: Simplify right side
    103,734.20x = 8,361,035,289.04
  5. Step 5: Solve for x
    x = 8,361,035,289.04/103,734.20
  6. Step 6: Final answer
    x = 80,600.56

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1.5x scale

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.