Home / 177,156.23-265,609.75-82,285.69

Finding the Fourth Proportional to 177,156.23, 265,609.75 and 82,285.69

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Solution

The fourth proportional to 177,156.23, 265,609.75 and 82,285.69 is: 123,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,156.23 : 265,609.75 = 82,285.69 : x
  2. Step 2: Convert to fraction form
    177,156.23/265,609.75 = 82,285.69/x
  3. Step 3: Cross multiply
    177,156.23x = 265,609.75 × 82,285.69
  4. Step 4: Simplify right side
    177,156.23x = 21,855,879,864.36
  5. Step 5: Solve for x
    x = 21,855,879,864.36/177,156.23
  6. Step 6: Final answer
    x = 123,370.66

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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.