Home / 217,175.04-325,766.88-142,769.76

Finding the Fourth Proportional to 217,175.04, 325,766.88 and 142,769.76

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Solution

The fourth proportional to 217,175.04, 325,766.88 and 142,769.76 is: 214,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,175.04 : 325,766.88 = 142,769.76 : x
  2. Step 2: Convert to fraction form
    217,175.04/325,766.88 = 142,769.76/x
  3. Step 3: Cross multiply
    217,175.04x = 325,766.88 × 142,769.76
  4. Step 4: Simplify right side
    217,175.04x = 46,509,659,273.55
  5. Step 5: Solve for x
    x = 46,509,659,273.55/217,175.04
  6. Step 6: Final answer
    x = 214,157.48

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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.