Home / 245,183.28-338,411.40-149,770.32

Finding the Fourth Proportional to 245,183.28, 338,411.40 and 149,770.32

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Solution

The fourth proportional to 245,183.28, 338,411.40 and 149,770.32 is: 206,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,183.28 : 338,411.40 = 149,770.32 : x
  2. Step 2: Convert to fraction form
    245,183.28/338,411.40 = 149,770.32/x
  3. Step 3: Cross multiply
    245,183.28x = 338,411.40 × 149,770.32
  4. Step 4: Simplify right side
    245,183.28x = 50,683,983,669.65
  5. Step 5: Solve for x
    x = 50,683,983,669.65/245,183.28
  6. Step 6: Final answer
    x = 206,718.76

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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.