Home / 147,087.18-220,586.79-53,571.06

Finding the Fourth Proportional to 147,087.18, 220,586.79 and 53,571.06

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Solution

The fourth proportional to 147,087.18, 220,586.79 and 53,571.06 is: 80,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.18 : 220,586.79 = 53,571.06 : x
  2. Step 2: Convert to fraction form
    147,087.18/220,586.79 = 53,571.06/x
  3. Step 3: Cross multiply
    147,087.18x = 220,586.79 × 53,571.06
  4. Step 4: Simplify right side
    147,087.18x = 11,817,068,162.30
  5. Step 5: Solve for x
    x = 11,817,068,162.30/147,087.18
  6. Step 6: Final answer
    x = 80,340.57

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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.