Home / 268,059.29-369,903.47-147,208.41

Finding the Fourth Proportional to 268,059.29, 369,903.47 and 147,208.41

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Solution

The fourth proportional to 268,059.29, 369,903.47 and 147,208.41 is: 203,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,059.29 : 369,903.47 = 147,208.41 : x
  2. Step 2: Convert to fraction form
    268,059.29/369,903.47 = 147,208.41/x
  3. Step 3: Cross multiply
    268,059.29x = 369,903.47 × 147,208.41
  4. Step 4: Simplify right side
    268,059.29x = 54,452,900,936.14
  5. Step 5: Solve for x
    x = 54,452,900,936.14/268,059.29
  6. Step 6: Final answer
    x = 203,137.53

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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.