Home / 130,544.64-195,393.30-70,489.62

Finding the Fourth Proportional to 130,544.64, 195,393.30 and 70,489.62

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Solution

The fourth proportional to 130,544.64, 195,393.30 and 70,489.62 is: 105,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,544.64 : 195,393.30 = 70,489.62 : x
  2. Step 2: Convert to fraction form
    130,544.64/195,393.30 = 70,489.62/x
  3. Step 3: Cross multiply
    130,544.64x = 195,393.30 × 70,489.62
  4. Step 4: Simplify right side
    130,544.64x = 13,773,199,467.55
  5. Step 5: Solve for x
    x = 13,773,199,467.55/130,544.64
  6. Step 6: Final answer
    x = 105,505.67

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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.