Home / 130,546.64-195,396.30-70,491.62

Finding the Fourth Proportional to 130,546.64, 195,396.30 and 70,491.62

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Solution

The fourth proportional to 130,546.64, 195,396.30 and 70,491.62 is: 105,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,546.64 : 195,396.30 = 70,491.62 : x
  2. Step 2: Convert to fraction form
    130,546.64/195,396.30 = 70,491.62/x
  3. Step 3: Cross multiply
    130,546.64x = 195,396.30 × 70,491.62
  4. Step 4: Simplify right side
    130,546.64x = 13,773,801,729.01
  5. Step 5: Solve for x
    x = 13,773,801,729.01/130,546.64
  6. Step 6: Final answer
    x = 105,508.67

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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.