Home / 149,541.12-223,989.92-70,536.96

Finding the Fourth Proportional to 149,541.12, 223,989.92 and 70,536.96

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Solution

The fourth proportional to 149,541.12, 223,989.92 and 70,536.96 is: 105,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,541.12 : 223,989.92 = 70,536.96 : x
  2. Step 2: Convert to fraction form
    149,541.12/223,989.92 = 70,536.96/x
  3. Step 3: Cross multiply
    149,541.12x = 223,989.92 × 70,536.96
  4. Step 4: Simplify right side
    149,541.12x = 15,799,568,027.44
  5. Step 5: Solve for x
    x = 15,799,568,027.44/149,541.12
  6. Step 6: Final answer
    x = 105,653.67

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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.