Home / 198,672.08-298,299.72-124,109.96

Finding the Fourth Proportional to 198,672.08, 298,299.72 and 124,109.96

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Solution

The fourth proportional to 198,672.08, 298,299.72 and 124,109.96 is: 186,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,672.08 : 298,299.72 = 124,109.96 : x
  2. Step 2: Convert to fraction form
    198,672.08/298,299.72 = 124,109.96/x
  3. Step 3: Cross multiply
    198,672.08x = 298,299.72 × 124,109.96
  4. Step 4: Simplify right side
    198,672.08x = 37,021,966,317.21
  5. Step 5: Solve for x
    x = 37,021,966,317.21/198,672.08
  6. Step 6: Final answer
    x = 186,347.10

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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.