Home / 141,363.09-195,081.21-77,699.52

Finding the Fourth Proportional to 141,363.09, 195,081.21 and 77,699.52

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Solution

The fourth proportional to 141,363.09, 195,081.21 and 77,699.52 is: 107,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,363.09 : 195,081.21 = 77,699.52 : x
  2. Step 2: Convert to fraction form
    141,363.09/195,081.21 = 77,699.52/x
  3. Step 3: Cross multiply
    141,363.09x = 195,081.21 × 77,699.52
  4. Step 4: Simplify right side
    141,363.09x = 15,157,716,378.02
  5. Step 5: Solve for x
    x = 15,157,716,378.02/141,363.09
  6. Step 6: Final answer
    x = 107,225.42

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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.