Home / 177,186.10-265,821-70,576.18

Finding the Fourth Proportional to 177,186.10, 265,821 and 70,576.18

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Solution

The fourth proportional to 177,186.10, 265,821 and 70,576.18 is: 105,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,186.10 : 265,821 = 70,576.18 : x
  2. Step 2: Convert to fraction form
    177,186.10/265,821 = 70,576.18/x
  3. Step 3: Cross multiply
    177,186.10x = 265,821 × 70,576.18
  4. Step 4: Simplify right side
    177,186.10x = 18,760,630,743.78
  5. Step 5: Solve for x
    x = 18,760,630,743.78/177,186.10
  6. Step 6: Final answer
    x = 105,880.94

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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.