Home / 111,271.31-166,913.75-36,399.36

Finding the Fourth Proportional to 111,271.31, 166,913.75 and 36,399.36

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Solution

The fourth proportional to 111,271.31, 166,913.75 and 36,399.36 is: 54,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,271.31 : 166,913.75 = 36,399.36 : x
  2. Step 2: Convert to fraction form
    111,271.31/166,913.75 = 36,399.36/x
  3. Step 3: Cross multiply
    111,271.31x = 166,913.75 × 36,399.36
  4. Step 4: Simplify right side
    111,271.31x = 6,075,553,675.20
  5. Step 5: Solve for x
    x = 6,075,553,675.20/111,271.31
  6. Step 6: Final answer
    x = 54,601.26

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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.