Home / 198,381.08-297,538.80-65,263.04

Finding the Fourth Proportional to 198,381.08, 297,538.80 and 65,263.04

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Solution

The fourth proportional to 198,381.08, 297,538.80 and 65,263.04 is: 97,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,381.08 : 297,538.80 = 65,263.04 : x
  2. Step 2: Convert to fraction form
    198,381.08/297,538.80 = 65,263.04/x
  3. Step 3: Cross multiply
    198,381.08x = 297,538.80 × 65,263.04
  4. Step 4: Simplify right side
    198,381.08x = 19,418,286,605.95
  5. Step 5: Solve for x
    x = 19,418,286,605.95/198,381.08
  6. Step 6: Final answer
    x = 97,883.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.