Home / 199,584.61-299,505.40-79,621.08

Finding the Fourth Proportional to 199,584.61, 299,505.40 and 79,621.08

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Solution

The fourth proportional to 199,584.61, 299,505.40 and 79,621.08 is: 119,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,584.61 : 299,505.40 = 79,621.08 : x
  2. Step 2: Convert to fraction form
    199,584.61/299,505.40 = 79,621.08/x
  3. Step 3: Cross multiply
    199,584.61x = 299,505.40 × 79,621.08
  4. Step 4: Simplify right side
    199,584.61x = 23,846,942,091.63
  5. Step 5: Solve for x
    x = 23,846,942,091.63/199,584.61
  6. Step 6: Final answer
    x = 119,482.87

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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.