Home / 157,836.22-236,789.31-45,507.67

Finding the Fourth Proportional to 157,836.22, 236,789.31 and 45,507.67

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Solution

The fourth proportional to 157,836.22, 236,789.31 and 45,507.67 is: 68,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.22 : 236,789.31 = 45,507.67 : x
  2. Step 2: Convert to fraction form
    157,836.22/236,789.31 = 45,507.67/x
  3. Step 3: Cross multiply
    157,836.22x = 236,789.31 × 45,507.67
  4. Step 4: Simplify right side
    157,836.22x = 10,775,729,187.03
  5. Step 5: Solve for x
    x = 10,775,729,187.03/157,836.22
  6. Step 6: Final answer
    x = 68,271.59

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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.