Home / 268,836.16-370,995.24-147,989.60

Finding the Fourth Proportional to 268,836.16, 370,995.24 and 147,989.60

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Solution

The fourth proportional to 268,836.16, 370,995.24 and 147,989.60 is: 204,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,836.16 : 370,995.24 = 147,989.60 : x
  2. Step 2: Convert to fraction form
    268,836.16/370,995.24 = 147,989.60/x
  3. Step 3: Cross multiply
    268,836.16x = 370,995.24 × 147,989.60
  4. Step 4: Simplify right side
    268,836.16x = 54,903,437,169.50
  5. Step 5: Solve for x
    x = 54,903,437,169.50/268,836.16
  6. Step 6: Final answer
    x = 204,226.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.