Home / 199,176.19-298,961.12-105,681.94

Finding the Fourth Proportional to 199,176.19, 298,961.12 and 105,681.94

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Solution

The fourth proportional to 199,176.19, 298,961.12 and 105,681.94 is: 158,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,176.19 : 298,961.12 = 105,681.94 : x
  2. Step 2: Convert to fraction form
    199,176.19/298,961.12 = 105,681.94/x
  3. Step 3: Cross multiply
    199,176.19x = 298,961.12 × 105,681.94
  4. Step 4: Simplify right side
    199,176.19x = 31,594,790,662.97
  5. Step 5: Solve for x
    x = 31,594,790,662.97/199,176.19
  6. Step 6: Final answer
    x = 158,627.35

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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.