Home / 297,975.18-447,243.66-108,618.57

Finding the Fourth Proportional to 297,975.18, 447,243.66 and 108,618.57

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Solution

The fourth proportional to 297,975.18, 447,243.66 and 108,618.57 is: 163,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,975.18 : 447,243.66 = 108,618.57 : x
  2. Step 2: Convert to fraction form
    297,975.18/447,243.66 = 108,618.57/x
  3. Step 3: Cross multiply
    297,975.18x = 447,243.66 × 108,618.57
  4. Step 4: Simplify right side
    297,975.18x = 48,578,966,790.77
  5. Step 5: Solve for x
    x = 48,578,966,790.77/297,975.18
  6. Step 6: Final answer
    x = 163,030.25

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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.