Home / 192,126.27-287,598.87-163,782.75

Finding the Fourth Proportional to 192,126.27, 287,598.87 and 163,782.75

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Solution

The fourth proportional to 192,126.27, 287,598.87 and 163,782.75 is: 245,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,126.27 : 287,598.87 = 163,782.75 : x
  2. Step 2: Convert to fraction form
    192,126.27/287,598.87 = 163,782.75/x
  3. Step 3: Cross multiply
    192,126.27x = 287,598.87 × 163,782.75
  4. Step 4: Simplify right side
    192,126.27x = 47,103,733,825.49
  5. Step 5: Solve for x
    x = 47,103,733,825.49/192,126.27
  6. Step 6: Final answer
    x = 245,170.71

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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.