Home / 148,022.25-204,275.57-80,954.25

Finding the Fourth Proportional to 148,022.25, 204,275.57 and 80,954.25

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Solution

The fourth proportional to 148,022.25, 204,275.57 and 80,954.25 is: 111,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,022.25 : 204,275.57 = 80,954.25 : x
  2. Step 2: Convert to fraction form
    148,022.25/204,275.57 = 80,954.25/x
  3. Step 3: Cross multiply
    148,022.25x = 204,275.57 × 80,954.25
  4. Step 4: Simplify right side
    148,022.25x = 16,536,975,157.90
  5. Step 5: Solve for x
    x = 16,536,975,157.90/148,022.25
  6. Step 6: Final answer
    x = 111,719.52

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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.