Home / 199,014.40-274,686.72-123,619.84

Finding the Fourth Proportional to 199,014.40, 274,686.72 and 123,619.84

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Solution

The fourth proportional to 199,014.40, 274,686.72 and 123,619.84 is: 170,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,014.40 : 274,686.72 = 123,619.84 : x
  2. Step 2: Convert to fraction form
    199,014.40/274,686.72 = 123,619.84/x
  3. Step 3: Cross multiply
    199,014.40x = 274,686.72 × 123,619.84
  4. Step 4: Simplify right side
    199,014.40x = 33,956,728,376.52
  5. Step 5: Solve for x
    x = 33,956,728,376.52/199,014.40
  6. Step 6: Final answer
    x = 170,624.48

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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.