Home / 111,431.28-167,146.08-36,603.36

Finding the Fourth Proportional to 111,431.28, 167,146.08 and 36,603.36

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Solution

The fourth proportional to 111,431.28, 167,146.08 and 36,603.36 is: 54,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,431.28 : 167,146.08 = 36,603.36 : x
  2. Step 2: Convert to fraction form
    111,431.28/167,146.08 = 36,603.36/x
  3. Step 3: Cross multiply
    111,431.28x = 167,146.08 × 36,603.36
  4. Step 4: Simplify right side
    111,431.28x = 6,118,108,138.83
  5. Step 5: Solve for x
    x = 6,118,108,138.83/111,431.28
  6. Step 6: Final answer
    x = 54,904.76

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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.