Home / 373,975.20-561,157.20-163,634.40

Finding the Fourth Proportional to 373,975.20, 561,157.20 and 163,634.40

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Solution

The fourth proportional to 373,975.20, 561,157.20 and 163,634.40 is: 245,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,975.20 : 561,157.20 = 163,634.40 : x
  2. Step 2: Convert to fraction form
    373,975.20/561,157.20 = 163,634.40/x
  3. Step 3: Cross multiply
    373,975.20x = 561,157.20 × 163,634.40
  4. Step 4: Simplify right side
    373,975.20x = 91,824,621,727.68
  5. Step 5: Solve for x
    x = 91,824,621,727.68/373,975.20
  6. Step 6: Final answer
    x = 245,536.66

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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.