Home / 105,906.83-146,152.44-58,161.20

Finding the Fourth Proportional to 105,906.83, 146,152.44 and 58,161.20

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Solution

The fourth proportional to 105,906.83, 146,152.44 and 58,161.20 is: 80,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,906.83 : 146,152.44 = 58,161.20 : x
  2. Step 2: Convert to fraction form
    105,906.83/146,152.44 = 58,161.20/x
  3. Step 3: Cross multiply
    105,906.83x = 146,152.44 × 58,161.20
  4. Step 4: Simplify right side
    105,906.83x = 8,500,400,562.57
  5. Step 5: Solve for x
    x = 8,500,400,562.57/105,906.83
  6. Step 6: Final answer
    x = 80,263.01

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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.