Home / 360,107.13-496,957.86-198,972.56

Finding the Fourth Proportional to 360,107.13, 496,957.86 and 198,972.56

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Solution

The fourth proportional to 360,107.13, 496,957.86 and 198,972.56 is: 274,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,107.13 : 496,957.86 = 198,972.56 : x
  2. Step 2: Convert to fraction form
    360,107.13/496,957.86 = 198,972.56/x
  3. Step 3: Cross multiply
    360,107.13x = 496,957.86 × 198,972.56
  4. Step 4: Simplify right side
    360,107.13x = 98,880,977,616.32
  5. Step 5: Solve for x
    x = 98,880,977,616.32/360,107.13
  6. Step 6: Final answer
    x = 274,587.67

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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.