Home / 198,826.08-274,290.81-134,274.34

Finding the Fourth Proportional to 198,826.08, 274,290.81 and 134,274.34

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Solution

The fourth proportional to 198,826.08, 274,290.81 and 134,274.34 is: 185,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,826.08 : 274,290.81 = 134,274.34 : x
  2. Step 2: Convert to fraction form
    198,826.08/274,290.81 = 134,274.34/x
  3. Step 3: Cross multiply
    198,826.08x = 274,290.81 × 134,274.34
  4. Step 4: Simplify right side
    198,826.08x = 36,830,217,480.82
  5. Step 5: Solve for x
    x = 36,830,217,480.82/198,826.08
  6. Step 6: Final answer
    x = 185,238.36

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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.