Home / 285,966.04-394,633.60-158,641.64

Finding the Fourth Proportional to 285,966.04, 394,633.60 and 158,641.64

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Solution

The fourth proportional to 285,966.04, 394,633.60 and 158,641.64 is: 218,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,966.04 : 394,633.60 = 158,641.64 : x
  2. Step 2: Convert to fraction form
    285,966.04/394,633.60 = 158,641.64/x
  3. Step 3: Cross multiply
    285,966.04x = 394,633.60 × 158,641.64
  4. Step 4: Simplify right side
    285,966.04x = 62,605,319,529.94
  5. Step 5: Solve for x
    x = 62,605,319,529.94/285,966.04
  6. Step 6: Final answer
    x = 218,925.71

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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.