Home / 143,090.36-197,473.88-82,663.52

Finding the Fourth Proportional to 143,090.36, 197,473.88 and 82,663.52

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Solution

The fourth proportional to 143,090.36, 197,473.88 and 82,663.52 is: 114,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,090.36 : 197,473.88 = 82,663.52 : x
  2. Step 2: Convert to fraction form
    143,090.36/197,473.88 = 82,663.52/x
  3. Step 3: Cross multiply
    143,090.36x = 197,473.88 × 82,663.52
  4. Step 4: Simplify right side
    143,090.36x = 16,323,886,028.86
  5. Step 5: Solve for x
    x = 16,323,886,028.86/143,090.36
  6. Step 6: Final answer
    x = 114,080.96

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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.