Home / 148,017.96-204,267.78-80,954.28

Finding the Fourth Proportional to 148,017.96, 204,267.78 and 80,954.28

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Solution

The fourth proportional to 148,017.96, 204,267.78 and 80,954.28 is: 111,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,017.96 : 204,267.78 = 80,954.28 : x
  2. Step 2: Convert to fraction form
    148,017.96/204,267.78 = 80,954.28/x
  3. Step 3: Cross multiply
    148,017.96x = 204,267.78 × 80,954.28
  4. Step 4: Simplify right side
    148,017.96x = 16,536,351,057.10
  5. Step 5: Solve for x
    x = 16,536,351,057.10/148,017.96
  6. Step 6: Final answer
    x = 111,718.54

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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.