Home / 268,896.48-371,070.36-148,036.56

Finding the Fourth Proportional to 268,896.48, 371,070.36 and 148,036.56

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Solution

The fourth proportional to 268,896.48, 371,070.36 and 148,036.56 is: 204,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,896.48 : 371,070.36 = 148,036.56 : x
  2. Step 2: Convert to fraction form
    268,896.48/371,070.36 = 148,036.56/x
  3. Step 3: Cross multiply
    268,896.48x = 371,070.36 × 148,036.56
  4. Step 4: Simplify right side
    268,896.48x = 54,931,979,612.36
  5. Step 5: Solve for x
    x = 54,931,979,612.36/268,896.48
  6. Step 6: Final answer
    x = 204,286.72

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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.