Home / 164,765.40-227,372.43-93,142.36

Finding the Fourth Proportional to 164,765.40, 227,372.43 and 93,142.36

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Solution

The fourth proportional to 164,765.40, 227,372.43 and 93,142.36 is: 128,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,765.40 : 227,372.43 = 93,142.36 : x
  2. Step 2: Convert to fraction form
    164,765.40/227,372.43 = 93,142.36/x
  3. Step 3: Cross multiply
    164,765.40x = 227,372.43 × 93,142.36
  4. Step 4: Simplify right side
    164,765.40x = 21,178,004,729.13
  5. Step 5: Solve for x
    x = 21,178,004,729.13/164,765.40
  6. Step 6: Final answer
    x = 128,534.30

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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.