Home / 374,520.20-561,780.30-163,934.60

Finding the Fourth Proportional to 374,520.20, 561,780.30 and 163,934.60

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Solution

The fourth proportional to 374,520.20, 561,780.30 and 163,934.60 is: 245,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,520.20 : 561,780.30 = 163,934.60 : x
  2. Step 2: Convert to fraction form
    374,520.20/561,780.30 = 163,934.60/x
  3. Step 3: Cross multiply
    374,520.20x = 561,780.30 × 163,934.60
  4. Step 4: Simplify right side
    374,520.20x = 92,095,228,768.38
  5. Step 5: Solve for x
    x = 92,095,228,768.38/374,520.20
  6. Step 6: Final answer
    x = 245,901.90

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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.