Home / 143,090.22-197,473.70-82,663.41

Finding the Fourth Proportional to 143,090.22, 197,473.70 and 82,663.41

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Solution

The fourth proportional to 143,090.22, 197,473.70 and 82,663.41 is: 114,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,090.22 : 197,473.70 = 82,663.41 : x
  2. Step 2: Convert to fraction form
    143,090.22/197,473.70 = 82,663.41/x
  3. Step 3: Cross multiply
    143,090.22x = 197,473.70 × 82,663.41
  4. Step 4: Simplify right side
    143,090.22x = 16,323,849,427.32
  5. Step 5: Solve for x
    x = 16,323,849,427.32/143,090.22
  6. Step 6: Final answer
    x = 114,080.82

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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.