Home / 262,500.72-393,737.04-129,248.16

Finding the Fourth Proportional to 262,500.72, 393,737.04 and 129,248.16

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Solution

The fourth proportional to 262,500.72, 393,737.04 and 129,248.16 is: 193,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,500.72 : 393,737.04 = 129,248.16 : x
  2. Step 2: Convert to fraction form
    262,500.72/393,737.04 = 129,248.16/x
  3. Step 3: Cross multiply
    262,500.72x = 393,737.04 × 129,248.16
  4. Step 4: Simplify right side
    262,500.72x = 50,889,787,943.85
  5. Step 5: Solve for x
    x = 50,889,787,943.85/262,500.72
  6. Step 6: Final answer
    x = 193,865.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.