Home / 199,337.15-299,012.78-49,578.22

Finding the Fourth Proportional to 199,337.15, 299,012.78 and 49,578.22

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Solution

The fourth proportional to 199,337.15, 299,012.78 and 49,578.22 is: 74,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,337.15 : 299,012.78 = 49,578.22 : x
  2. Step 2: Convert to fraction form
    199,337.15/299,012.78 = 49,578.22/x
  3. Step 3: Cross multiply
    199,337.15x = 299,012.78 × 49,578.22
  4. Step 4: Simplify right side
    199,337.15x = 14,824,520,394.23
  5. Step 5: Solve for x
    x = 14,824,520,394.23/199,337.15
  6. Step 6: Final answer
    x = 74,369.08

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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.