Home / 111,797.18-154,266.08-75,577.41

Finding the Fourth Proportional to 111,797.18, 154,266.08 and 75,577.41

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Solution

The fourth proportional to 111,797.18, 154,266.08 and 75,577.41 is: 104,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,797.18 : 154,266.08 = 75,577.41 : x
  2. Step 2: Convert to fraction form
    111,797.18/154,266.08 = 75,577.41/x
  3. Step 3: Cross multiply
    111,797.18x = 154,266.08 × 75,577.41
  4. Step 4: Simplify right side
    111,797.18x = 11,659,030,777.25
  5. Step 5: Solve for x
    x = 11,659,030,777.25/111,797.18
  6. Step 6: Final answer
    x = 104,287.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.