Home / 141,799.42-195,683.23-77,268.67

Finding the Fourth Proportional to 141,799.42, 195,683.23 and 77,268.67

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Solution

The fourth proportional to 141,799.42, 195,683.23 and 77,268.67 is: 106,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,799.42 : 195,683.23 = 77,268.67 : x
  2. Step 2: Convert to fraction form
    141,799.42/195,683.23 = 77,268.67/x
  3. Step 3: Cross multiply
    141,799.42x = 195,683.23 × 77,268.67
  4. Step 4: Simplify right side
    141,799.42x = 15,120,182,096.15
  5. Step 5: Solve for x
    x = 15,120,182,096.15/141,799.42
  6. Step 6: Final answer
    x = 106,630.78

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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.