Home / 374,439.20-561,658.80-163,853.60

Finding the Fourth Proportional to 374,439.20, 561,658.80 and 163,853.60

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Solution

The fourth proportional to 374,439.20, 561,658.80 and 163,853.60 is: 245,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,439.20 : 561,658.80 = 163,853.60 : x
  2. Step 2: Convert to fraction form
    374,439.20/561,658.80 = 163,853.60/x
  3. Step 3: Cross multiply
    374,439.20x = 561,658.80 × 163,853.60
  4. Step 4: Simplify right side
    374,439.20x = 92,029,816,351.68
  5. Step 5: Solve for x
    x = 92,029,816,351.68/374,439.20
  6. Step 6: Final answer
    x = 245,780.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.