Home / 146,174.31-219,130.23-57,491.46

Finding the Fourth Proportional to 146,174.31, 219,130.23 and 57,491.46

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Solution

The fourth proportional to 146,174.31, 219,130.23 and 57,491.46 is: 86,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,174.31 : 219,130.23 = 57,491.46 : x
  2. Step 2: Convert to fraction form
    146,174.31/219,130.23 = 57,491.46/x
  3. Step 3: Cross multiply
    146,174.31x = 219,130.23 × 57,491.46
  4. Step 4: Simplify right side
    146,174.31x = 12,598,116,852.84
  5. Step 5: Solve for x
    x = 12,598,116,852.84/146,174.31
  6. Step 6: Final answer
    x = 86,185.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.