Home / 268,091.76-369,966.96-147,240.84

Finding the Fourth Proportional to 268,091.76, 369,966.96 and 147,240.84

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Solution

The fourth proportional to 268,091.76, 369,966.96 and 147,240.84 is: 203,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,091.76 : 369,966.96 = 147,240.84 : x
  2. Step 2: Convert to fraction form
    268,091.76/369,966.96 = 147,240.84/x
  3. Step 3: Cross multiply
    268,091.76x = 369,966.96 × 147,240.84
  4. Step 4: Simplify right side
    268,091.76x = 54,474,245,962.65
  5. Step 5: Solve for x
    x = 54,474,245,962.65/268,091.76
  6. Step 6: Final answer
    x = 203,192.54

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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.