Home / 105,940.24-146,197.58-58,194.40

Finding the Fourth Proportional to 105,940.24, 146,197.58 and 58,194.40

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Solution

The fourth proportional to 105,940.24, 146,197.58 and 58,194.40 is: 80,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,940.24 : 146,197.58 = 58,194.40 : x
  2. Step 2: Convert to fraction form
    105,940.24/146,197.58 = 58,194.40/x
  3. Step 3: Cross multiply
    105,940.24x = 146,197.58 × 58,194.40
  4. Step 4: Simplify right side
    105,940.24x = 8,507,880,449.55
  5. Step 5: Solve for x
    x = 8,507,880,449.55/105,940.24
  6. Step 6: Final answer
    x = 80,308.30

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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.