Home / 494,099.02-741,192.30-139,116.12

Finding the Fourth Proportional to 494,099.02, 741,192.30 and 139,116.12

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Solution

The fourth proportional to 494,099.02, 741,192.30 and 139,116.12 is: 208,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,099.02 : 741,192.30 = 139,116.12 : x
  2. Step 2: Convert to fraction form
    494,099.02/741,192.30 = 139,116.12/x
  3. Step 3: Cross multiply
    494,099.02x = 741,192.30 × 139,116.12
  4. Step 4: Simplify right side
    494,099.02x = 103,111,796,949.88
  5. Step 5: Solve for x
    x = 103,111,796,949.88/494,099.02
  6. Step 6: Final answer
    x = 208,686.50

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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.