Home / 198,885.58-274,491.02-111,680.46

Finding the Fourth Proportional to 198,885.58, 274,491.02 and 111,680.46

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Solution

The fourth proportional to 198,885.58, 274,491.02 and 111,680.46 is: 154,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,885.58 : 274,491.02 = 111,680.46 : x
  2. Step 2: Convert to fraction form
    198,885.58/274,491.02 = 111,680.46/x
  3. Step 3: Cross multiply
    198,885.58x = 274,491.02 × 111,680.46
  4. Step 4: Simplify right side
    198,885.58x = 30,655,283,658.67
  5. Step 5: Solve for x
    x = 30,655,283,658.67/198,885.58
  6. Step 6: Final answer
    x = 154,135.28

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1.5x scale

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.