Home / 494,031.30-741,047.21-139,045.32

Finding the Fourth Proportional to 494,031.30, 741,047.21 and 139,045.32

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Solution

The fourth proportional to 494,031.30, 741,047.21 and 139,045.32 is: 208,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,031.30 : 741,047.21 = 139,045.32 : x
  2. Step 2: Convert to fraction form
    494,031.30/741,047.21 = 139,045.32/x
  3. Step 3: Cross multiply
    494,031.30x = 741,047.21 × 139,045.32
  4. Step 4: Simplify right side
    494,031.30x = 103,039,146,449.56
  5. Step 5: Solve for x
    x = 103,039,146,449.56/494,031.30
  6. Step 6: Final answer
    x = 208,568.05

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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.