Home / 285,334.04-393,760.62-158,009.48

Finding the Fourth Proportional to 285,334.04, 393,760.62 and 158,009.48

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Solution

The fourth proportional to 285,334.04, 393,760.62 and 158,009.48 is: 218,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,334.04 : 393,760.62 = 158,009.48 : x
  2. Step 2: Convert to fraction form
    285,334.04/393,760.62 = 158,009.48/x
  3. Step 3: Cross multiply
    285,334.04x = 393,760.62 × 158,009.48
  4. Step 4: Simplify right side
    285,334.04x = 62,217,910,810.68
  5. Step 5: Solve for x
    x = 62,217,910,810.68/285,334.04
  6. Step 6: Final answer
    x = 218,052.89

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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.