Home / 197,965.08-273,120.21-130,018.86

Finding the Fourth Proportional to 197,965.08, 273,120.21 and 130,018.86

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Solution

The fourth proportional to 197,965.08, 273,120.21 and 130,018.86 is: 179,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,965.08 : 273,120.21 = 130,018.86 : x
  2. Step 2: Convert to fraction form
    197,965.08/273,120.21 = 130,018.86/x
  3. Step 3: Cross multiply
    197,965.08x = 273,120.21 × 130,018.86
  4. Step 4: Simplify right side
    197,965.08x = 35,510,778,347.16
  5. Step 5: Solve for x
    x = 35,510,778,347.16/197,965.08
  6. Step 6: Final answer
    x = 179,379.00

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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.