Home / 268,822.28-370,971.80-147,960.96

Finding the Fourth Proportional to 268,822.28, 370,971.80 and 147,960.96

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Solution

The fourth proportional to 268,822.28, 370,971.80 and 147,960.96 is: 204,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,822.28 : 370,971.80 = 147,960.96 : x
  2. Step 2: Convert to fraction form
    268,822.28/370,971.80 = 147,960.96/x
  3. Step 3: Cross multiply
    268,822.28x = 370,971.80 × 147,960.96
  4. Step 4: Simplify right side
    268,822.28x = 54,889,342,921.12
  5. Step 5: Solve for x
    x = 54,889,342,921.12/268,822.28
  6. Step 6: Final answer
    x = 204,184.50

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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.