Home / 198,426.87-297,641.12-48,668.13

Finding the Fourth Proportional to 198,426.87, 297,641.12 and 48,668.13

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Solution

The fourth proportional to 198,426.87, 297,641.12 and 48,668.13 is: 73,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,426.87 : 297,641.12 = 48,668.13 : x
  2. Step 2: Convert to fraction form
    198,426.87/297,641.12 = 48,668.13/x
  3. Step 3: Cross multiply
    198,426.87x = 297,641.12 × 48,668.13
  4. Step 4: Simplify right side
    198,426.87x = 14,485,636,478.17
  5. Step 5: Solve for x
    x = 14,485,636,478.17/198,426.87
  6. Step 6: Final answer
    x = 73,002.39

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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.