Home / 190,979.63-263,576.19-115,528.67

Finding the Fourth Proportional to 190,979.63, 263,576.19 and 115,528.67

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Solution

The fourth proportional to 190,979.63, 263,576.19 and 115,528.67 is: 159,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,979.63 : 263,576.19 = 115,528.67 : x
  2. Step 2: Convert to fraction form
    190,979.63/263,576.19 = 115,528.67/x
  3. Step 3: Cross multiply
    190,979.63x = 263,576.19 × 115,528.67
  4. Step 4: Simplify right side
    190,979.63x = 30,450,605,356.49
  5. Step 5: Solve for x
    x = 30,450,605,356.49/190,979.63
  6. Step 6: Final answer
    x = 159,444.26

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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.