Home / 111,156.36-166,732.74-26,915.94

Finding the Fourth Proportional to 111,156.36, 166,732.74 and 26,915.94

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Solution

The fourth proportional to 111,156.36, 166,732.74 and 26,915.94 is: 40,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,156.36 : 166,732.74 = 26,915.94 : x
  2. Step 2: Convert to fraction form
    111,156.36/166,732.74 = 26,915.94/x
  3. Step 3: Cross multiply
    111,156.36x = 166,732.74 × 26,915.94
  4. Step 4: Simplify right side
    111,156.36x = 4,487,768,425.88
  5. Step 5: Solve for x
    x = 4,487,768,425.88/111,156.36
  6. Step 6: Final answer
    x = 40,373.47

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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.