Home / 268,054.38-369,900.54-147,211.56

Finding the Fourth Proportional to 268,054.38, 369,900.54 and 147,211.56

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Solution

The fourth proportional to 268,054.38, 369,900.54 and 147,211.56 is: 203,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,054.38 : 369,900.54 = 147,211.56 : x
  2. Step 2: Convert to fraction form
    268,054.38/369,900.54 = 147,211.56/x
  3. Step 3: Cross multiply
    268,054.38x = 369,900.54 × 147,211.56
  4. Step 4: Simplify right side
    268,054.38x = 54,453,635,538.24
  5. Step 5: Solve for x
    x = 54,453,635,538.24/268,054.38
  6. Step 6: Final answer
    x = 203,143.99

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1.5x scale

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.