Home / 149,222.68-223,693.31-74,271.96

Finding the Fourth Proportional to 149,222.68, 223,693.31 and 74,271.96

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Solution

The fourth proportional to 149,222.68, 223,693.31 and 74,271.96 is: 111,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,222.68 : 223,693.31 = 74,271.96 : x
  2. Step 2: Convert to fraction form
    149,222.68/223,693.31 = 74,271.96/x
  3. Step 3: Cross multiply
    149,222.68x = 223,693.31 × 74,271.96
  4. Step 4: Simplify right side
    149,222.68x = 16,614,140,201.23
  5. Step 5: Solve for x
    x = 16,614,140,201.23/149,222.68
  6. Step 6: Final answer
    x = 111,337.90

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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.