Home / 101,597.37-140,198.19-56,272.66

Finding the Fourth Proportional to 101,597.37, 140,198.19 and 56,272.66

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Solution

The fourth proportional to 101,597.37, 140,198.19 and 56,272.66 is: 77,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.37 : 140,198.19 = 56,272.66 : x
  2. Step 2: Convert to fraction form
    101,597.37/140,198.19 = 56,272.66/x
  3. Step 3: Cross multiply
    101,597.37x = 140,198.19 × 56,272.66
  4. Step 4: Simplify right side
    101,597.37x = 7,889,325,078.49
  5. Step 5: Solve for x
    x = 7,889,325,078.49/101,597.37
  6. Step 6: Final answer
    x = 77,652.85

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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.