Home / 490,757.16-736,136.10-153,824.16

Finding the Fourth Proportional to 490,757.16, 736,136.10 and 153,824.16

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Solution

The fourth proportional to 490,757.16, 736,136.10 and 153,824.16 is: 230,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,757.16 : 736,136.10 = 153,824.16 : x
  2. Step 2: Convert to fraction form
    490,757.16/736,136.10 = 153,824.16/x
  3. Step 3: Cross multiply
    490,757.16x = 736,136.10 × 153,824.16
  4. Step 4: Simplify right side
    490,757.16x = 113,235,517,228.18
  5. Step 5: Solve for x
    x = 113,235,517,228.18/490,757.16
  6. Step 6: Final answer
    x = 230,736.35

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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.