Home / 119,260.50-178,759.26-77,040.60

Finding the Fourth Proportional to 119,260.50, 178,759.26 and 77,040.60

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Solution

The fourth proportional to 119,260.50, 178,759.26 and 77,040.60 is: 115,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,260.50 : 178,759.26 = 77,040.60 : x
  2. Step 2: Convert to fraction form
    119,260.50/178,759.26 = 77,040.60/x
  3. Step 3: Cross multiply
    119,260.50x = 178,759.26 × 77,040.60
  4. Step 4: Simplify right side
    119,260.50x = 13,771,720,645.96
  5. Step 5: Solve for x
    x = 13,771,720,645.96/119,260.50
  6. Step 6: Final answer
    x = 115,475.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.