Home / 268,619.41-370,687.35-146,107.72

Finding the Fourth Proportional to 268,619.41, 370,687.35 and 146,107.72

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Solution

The fourth proportional to 268,619.41, 370,687.35 and 146,107.72 is: 201,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,619.41 : 370,687.35 = 146,107.72 : x
  2. Step 2: Convert to fraction form
    268,619.41/370,687.35 = 146,107.72/x
  3. Step 3: Cross multiply
    268,619.41x = 370,687.35 × 146,107.72
  4. Step 4: Simplify right side
    268,619.41x = 54,160,283,541.34
  5. Step 5: Solve for x
    x = 54,160,283,541.34/268,619.41
  6. Step 6: Final answer
    x = 201,624.61

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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.