Home / 253,611.03-349,993.77-140,433.78

Finding the Fourth Proportional to 253,611.03, 349,993.77 and 140,433.78

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Solution

The fourth proportional to 253,611.03, 349,993.77 and 140,433.78 is: 193,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,611.03 : 349,993.77 = 140,433.78 : x
  2. Step 2: Convert to fraction form
    253,611.03/349,993.77 = 140,433.78/x
  3. Step 3: Cross multiply
    253,611.03x = 349,993.77 × 140,433.78
  4. Step 4: Simplify right side
    253,611.03x = 49,150,948,097.55
  5. Step 5: Solve for x
    x = 49,150,948,097.55/253,611.03
  6. Step 6: Final answer
    x = 193,804.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.