Home / 198,733.77-274,205.79-134,323.11

Finding the Fourth Proportional to 198,733.77, 274,205.79 and 134,323.11

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Solution

The fourth proportional to 198,733.77, 274,205.79 and 134,323.11 is: 185,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,733.77 : 274,205.79 = 134,323.11 : x
  2. Step 2: Convert to fraction form
    198,733.77/274,205.79 = 134,323.11/x
  3. Step 3: Cross multiply
    198,733.77x = 274,205.79 × 134,323.11
  4. Step 4: Simplify right side
    198,733.77x = 36,832,174,492.81
  5. Step 5: Solve for x
    x = 36,832,174,492.81/198,733.77
  6. Step 6: Final answer
    x = 185,334.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.