Home / 111,306.10-166,849.80-99,496.30

Finding the Fourth Proportional to 111,306.10, 166,849.80 and 99,496.30

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Solution

The fourth proportional to 111,306.10, 166,849.80 and 99,496.30 is: 149,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306.10 : 166,849.80 = 99,496.30 : x
  2. Step 2: Convert to fraction form
    111,306.10/166,849.80 = 99,496.30/x
  3. Step 3: Cross multiply
    111,306.10x = 166,849.80 × 99,496.30
  4. Step 4: Simplify right side
    111,306.10x = 16,600,937,755.74
  5. Step 5: Solve for x
    x = 16,600,937,755.74/111,306.10
  6. Step 6: Final answer
    x = 149,146.70

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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.