Home / 141,860.40-195,705.30-93,399.81

Finding the Fourth Proportional to 141,860.40, 195,705.30 and 93,399.81

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Solution

The fourth proportional to 141,860.40, 195,705.30 and 93,399.81 is: 128,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.40 : 195,705.30 = 93,399.81 : x
  2. Step 2: Convert to fraction form
    141,860.40/195,705.30 = 93,399.81/x
  3. Step 3: Cross multiply
    141,860.40x = 195,705.30 × 93,399.81
  4. Step 4: Simplify right side
    141,860.40x = 18,278,837,835.99
  5. Step 5: Solve for x
    x = 18,278,837,835.99/141,860.40
  6. Step 6: Final answer
    x = 128,850.88

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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.