Home / 338,900.32-507,995.76-114,183.12

Finding the Fourth Proportional to 338,900.32, 507,995.76 and 114,183.12

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Solution

The fourth proportional to 338,900.32, 507,995.76 and 114,183.12 is: 171,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,900.32 : 507,995.76 = 114,183.12 : x
  2. Step 2: Convert to fraction form
    338,900.32/507,995.76 = 114,183.12/x
  3. Step 3: Cross multiply
    338,900.32x = 507,995.76 × 114,183.12
  4. Step 4: Simplify right side
    338,900.32x = 58,004,540,823.57
  5. Step 5: Solve for x
    x = 58,004,540,823.57/338,900.32
  6. Step 6: Final answer
    x = 171,155.17

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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.