Home / 198,215.06-273,537.10-113,333.94

Finding the Fourth Proportional to 198,215.06, 273,537.10 and 113,333.94

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Solution

The fourth proportional to 198,215.06, 273,537.10 and 113,333.94 is: 156,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,215.06 : 273,537.10 = 113,333.94 : x
  2. Step 2: Convert to fraction form
    198,215.06/273,537.10 = 113,333.94/x
  3. Step 3: Cross multiply
    198,215.06x = 273,537.10 × 113,333.94
  4. Step 4: Simplify right side
    198,215.06x = 31,001,037,279.17
  5. Step 5: Solve for x
    x = 31,001,037,279.17/198,215.06
  6. Step 6: Final answer
    x = 156,401.02

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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.