Home / 327,619.81-491,499.88-185,532.24

Finding the Fourth Proportional to 327,619.81, 491,499.88 and 185,532.24

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Solution

The fourth proportional to 327,619.81, 491,499.88 and 185,532.24 is: 278,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,619.81 : 491,499.88 = 185,532.24 : x
  2. Step 2: Convert to fraction form
    327,619.81/491,499.88 = 185,532.24/x
  3. Step 3: Cross multiply
    327,619.81x = 491,499.88 × 185,532.24
  4. Step 4: Simplify right side
    327,619.81x = 91,189,075,388.71
  5. Step 5: Solve for x
    x = 91,189,075,388.71/327,619.81
  6. Step 6: Final answer
    x = 278,338.10

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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.