Home / 134,609.06-185,761.75-74,181.87

Finding the Fourth Proportional to 134,609.06, 185,761.75 and 74,181.87

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Solution

The fourth proportional to 134,609.06, 185,761.75 and 74,181.87 is: 102,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,609.06 : 185,761.75 = 74,181.87 : x
  2. Step 2: Convert to fraction form
    134,609.06/185,761.75 = 74,181.87/x
  3. Step 3: Cross multiply
    134,609.06x = 185,761.75 × 74,181.87
  4. Step 4: Simplify right side
    134,609.06x = 13,780,154,082.97
  5. Step 5: Solve for x
    x = 13,780,154,082.97/134,609.06
  6. Step 6: Final answer
    x = 102,371.67

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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.