Home / 198,706.32-274,075.92-134,933.40

Finding the Fourth Proportional to 198,706.32, 274,075.92 and 134,933.40

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Solution

The fourth proportional to 198,706.32, 274,075.92 and 134,933.40 is: 186,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,706.32 : 274,075.92 = 134,933.40 : x
  2. Step 2: Convert to fraction form
    198,706.32/274,075.92 = 134,933.40/x
  3. Step 3: Cross multiply
    198,706.32x = 274,075.92 × 134,933.40
  4. Step 4: Simplify right side
    198,706.32x = 36,981,995,743.73
  5. Step 5: Solve for x
    x = 36,981,995,743.73/198,706.32
  6. Step 6: Final answer
    x = 186,113.84

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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.