Home / 198,516.57-297,528.78-93,114.09

Finding the Fourth Proportional to 198,516.57, 297,528.78 and 93,114.09

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Solution

The fourth proportional to 198,516.57, 297,528.78 and 93,114.09 is: 139,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,516.57 : 297,528.78 = 93,114.09 : x
  2. Step 2: Convert to fraction form
    198,516.57/297,528.78 = 93,114.09/x
  3. Step 3: Cross multiply
    198,516.57x = 297,528.78 × 93,114.09
  4. Step 4: Simplify right side
    198,516.57x = 27,704,121,598.51
  5. Step 5: Solve for x
    x = 27,704,121,598.51/198,516.57
  6. Step 6: Final answer
    x = 139,555.71

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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.