Home / 374,438.20-561,657.30-163,852.60

Finding the Fourth Proportional to 374,438.20, 561,657.30 and 163,852.60

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Solution

The fourth proportional to 374,438.20, 561,657.30 and 163,852.60 is: 245,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,438.20 : 561,657.30 = 163,852.60 : x
  2. Step 2: Convert to fraction form
    374,438.20/561,657.30 = 163,852.60/x
  3. Step 3: Cross multiply
    374,438.20x = 561,657.30 × 163,852.60
  4. Step 4: Simplify right side
    374,438.20x = 92,029,008,913.98
  5. Step 5: Solve for x
    x = 92,029,008,913.98/374,438.20
  6. Step 6: Final answer
    x = 245,778.90

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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.