Home / 198,316.86-297,179.88-109,595.71

Finding the Fourth Proportional to 198,316.86, 297,179.88 and 109,595.71

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Solution

The fourth proportional to 198,316.86, 297,179.88 and 109,595.71 is: 164,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,316.86 : 297,179.88 = 109,595.71 : x
  2. Step 2: Convert to fraction form
    198,316.86/297,179.88 = 109,595.71/x
  3. Step 3: Cross multiply
    198,316.86x = 297,179.88 × 109,595.71
  4. Step 4: Simplify right side
    198,316.86x = 32,569,639,946.31
  5. Step 5: Solve for x
    x = 32,569,639,946.31/198,316.86
  6. Step 6: Final answer
    x = 164,230.31

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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.