Home / 463,478.20-695,217.30-163,968.55

Finding the Fourth Proportional to 463,478.20, 695,217.30 and 163,968.55

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Solution

The fourth proportional to 463,478.20, 695,217.30 and 163,968.55 is: 245,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,478.20 : 695,217.30 = 163,968.55 : x
  2. Step 2: Convert to fraction form
    463,478.20/695,217.30 = 163,968.55/x
  3. Step 3: Cross multiply
    463,478.20x = 695,217.30 × 163,968.55
  4. Step 4: Simplify right side
    463,478.20x = 113,993,772,615.92
  5. Step 5: Solve for x
    x = 113,993,772,615.92/463,478.20
  6. Step 6: Final answer
    x = 245,952.83

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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.