Home / 198,386.22-297,311.47-92,969.58

Finding the Fourth Proportional to 198,386.22, 297,311.47 and 92,969.58

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Solution

The fourth proportional to 198,386.22, 297,311.47 and 92,969.58 is: 139,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,386.22 : 297,311.47 = 92,969.58 : x
  2. Step 2: Convert to fraction form
    198,386.22/297,311.47 = 92,969.58/x
  3. Step 3: Cross multiply
    198,386.22x = 297,311.47 × 92,969.58
  4. Step 4: Simplify right side
    198,386.22x = 27,640,922,495.08
  5. Step 5: Solve for x
    x = 27,640,922,495.08/198,386.22
  6. Step 6: Final answer
    x = 139,328.84

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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.