Home / 141,121.22-194,749.80-77,464.94

Finding the Fourth Proportional to 141,121.22, 194,749.80 and 77,464.94

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Solution

The fourth proportional to 141,121.22, 194,749.80 and 77,464.94 is: 106,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,121.22 : 194,749.80 = 77,464.94 : x
  2. Step 2: Convert to fraction form
    141,121.22/194,749.80 = 77,464.94/x
  3. Step 3: Cross multiply
    141,121.22x = 194,749.80 × 77,464.94
  4. Step 4: Simplify right side
    141,121.22x = 15,086,281,572.01
  5. Step 5: Solve for x
    x = 15,086,281,572.01/141,121.22
  6. Step 6: Final answer
    x = 106,903.00

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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.