Home / 198,859.41-274,106.70-134,307.90

Finding the Fourth Proportional to 198,859.41, 274,106.70 and 134,307.90

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Solution

The fourth proportional to 198,859.41, 274,106.70 and 134,307.90 is: 185,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,859.41 : 274,106.70 = 134,307.90 : x
  2. Step 2: Convert to fraction form
    198,859.41/274,106.70 = 134,307.90/x
  3. Step 3: Cross multiply
    198,859.41x = 274,106.70 × 134,307.90
  4. Step 4: Simplify right side
    198,859.41x = 36,814,695,252.93
  5. Step 5: Solve for x
    x = 36,814,695,252.93/198,859.41
  6. Step 6: Final answer
    x = 185,129.26

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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.