Home / 360,389.14-540,576.87-107,670.35

Finding the Fourth Proportional to 360,389.14, 540,576.87 and 107,670.35

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Solution

The fourth proportional to 360,389.14, 540,576.87 and 107,670.35 is: 161,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,389.14 : 540,576.87 = 107,670.35 : x
  2. Step 2: Convert to fraction form
    360,389.14/540,576.87 = 107,670.35/x
  3. Step 3: Cross multiply
    360,389.14x = 540,576.87 × 107,670.35
  4. Step 4: Simplify right side
    360,389.14x = 58,204,100,794.80
  5. Step 5: Solve for x
    x = 58,204,100,794.80/360,389.14
  6. Step 6: Final answer
    x = 161,503.48

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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.