Home / 111,264.41-166,846.71-66,306.98

Finding the Fourth Proportional to 111,264.41, 166,846.71 and 66,306.98

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Solution

The fourth proportional to 111,264.41, 166,846.71 and 66,306.98 is: 99,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,264.41 : 166,846.71 = 66,306.98 : x
  2. Step 2: Convert to fraction form
    111,264.41/166,846.71 = 66,306.98/x
  3. Step 3: Cross multiply
    111,264.41x = 166,846.71 × 66,306.98
  4. Step 4: Simplify right side
    111,264.41x = 11,063,101,880.15
  5. Step 5: Solve for x
    x = 11,063,101,880.15/111,264.41
  6. Step 6: Final answer
    x = 99,430.73

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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.