Home / 141,315.44-195,013.07-77,651.87

Finding the Fourth Proportional to 141,315.44, 195,013.07 and 77,651.87

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Solution

The fourth proportional to 141,315.44, 195,013.07 and 77,651.87 is: 107,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,315.44 : 195,013.07 = 77,651.87 : x
  2. Step 2: Convert to fraction form
    141,315.44/195,013.07 = 77,651.87/x
  3. Step 3: Cross multiply
    141,315.44x = 195,013.07 × 77,651.87
  4. Step 4: Simplify right side
    141,315.44x = 15,143,128,487.81
  5. Step 5: Solve for x
    x = 15,143,128,487.81/141,315.44
  6. Step 6: Final answer
    x = 107,158.35

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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.