Home / 146,035.92-218,969.76-57,185.40

Finding the Fourth Proportional to 146,035.92, 218,969.76 and 57,185.40

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Solution

The fourth proportional to 146,035.92, 218,969.76 and 57,185.40 is: 85,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,035.92 : 218,969.76 = 57,185.40 : x
  2. Step 2: Convert to fraction form
    146,035.92/218,969.76 = 57,185.40/x
  3. Step 3: Cross multiply
    146,035.92x = 218,969.76 × 57,185.40
  4. Step 4: Simplify right side
    146,035.92x = 12,521,873,313.50
  5. Step 5: Solve for x
    x = 12,521,873,313.50/146,035.92
  6. Step 6: Final answer
    x = 85,745.16

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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.