Home / 111,338.21-167,043.97-74,045.00

Finding the Fourth Proportional to 111,338.21, 167,043.97 and 74,045.00

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Solution

The fourth proportional to 111,338.21, 167,043.97 and 74,045.00 is: 111,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,338.21 : 167,043.97 = 74,045.00 : x
  2. Step 2: Convert to fraction form
    111,338.21/167,043.97 = 74,045.00/x
  3. Step 3: Cross multiply
    111,338.21x = 167,043.97 × 74,045.00
  4. Step 4: Simplify right side
    111,338.21x = 12,368,771,268.82
  5. Step 5: Solve for x
    x = 12,368,771,268.82/111,338.21
  6. Step 6: Final answer
    x = 111,091.88

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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.