Home / 285,980.04-394,686.46-165,150.68

Finding the Fourth Proportional to 285,980.04, 394,686.46 and 165,150.68

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Solution

The fourth proportional to 285,980.04, 394,686.46 and 165,150.68 is: 227,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,980.04 : 394,686.46 = 165,150.68 : x
  2. Step 2: Convert to fraction form
    285,980.04/394,686.46 = 165,150.68/x
  3. Step 3: Cross multiply
    285,980.04x = 394,686.46 × 165,150.68
  4. Step 4: Simplify right side
    285,980.04x = 65,182,737,255.79
  5. Step 5: Solve for x
    x = 65,182,737,255.79/285,980.04
  6. Step 6: Final answer
    x = 227,927.58

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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.