Home / 171,496.95-257,255.15-53,185.11

Finding the Fourth Proportional to 171,496.95, 257,255.15 and 53,185.11

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Solution

The fourth proportional to 171,496.95, 257,255.15 and 53,185.11 is: 79,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,496.95 : 257,255.15 = 53,185.11 : x
  2. Step 2: Convert to fraction form
    171,496.95/257,255.15 = 53,185.11/x
  3. Step 3: Cross multiply
    171,496.95x = 257,255.15 × 53,185.11
  4. Step 4: Simplify right side
    171,496.95x = 13,682,143,450.82
  5. Step 5: Solve for x
    x = 13,682,143,450.82/171,496.95
  6. Step 6: Final answer
    x = 79,780.68

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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.