Home / 141,362.11-195,074.76-77,699.50

Finding the Fourth Proportional to 141,362.11, 195,074.76 and 77,699.50

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Solution

The fourth proportional to 141,362.11, 195,074.76 and 77,699.50 is: 107,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,362.11 : 195,074.76 = 77,699.50 : x
  2. Step 2: Convert to fraction form
    141,362.11/195,074.76 = 77,699.50/x
  3. Step 3: Cross multiply
    141,362.11x = 195,074.76 × 77,699.50
  4. Step 4: Simplify right side
    141,362.11x = 15,157,211,314.62
  5. Step 5: Solve for x
    x = 15,157,211,314.62/141,362.11
  6. Step 6: Final answer
    x = 107,222.59

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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.