Home / 106,941.28-147,563.76-59,194.12

Finding the Fourth Proportional to 106,941.28, 147,563.76 and 59,194.12

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Solution

The fourth proportional to 106,941.28, 147,563.76 and 59,194.12 is: 81,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,941.28 : 147,563.76 = 59,194.12 : x
  2. Step 2: Convert to fraction form
    106,941.28/147,563.76 = 59,194.12/x
  3. Step 3: Cross multiply
    106,941.28x = 147,563.76 × 59,194.12
  4. Step 4: Simplify right side
    106,941.28x = 8,734,906,917.09
  5. Step 5: Solve for x
    x = 8,734,906,917.09/106,941.28
  6. Step 6: Final answer
    x = 81,679.47

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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.