Home / 177,021.90-244,270.62-105,387.93

Finding the Fourth Proportional to 177,021.90, 244,270.62 and 105,387.93

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Solution

The fourth proportional to 177,021.90, 244,270.62 and 105,387.93 is: 145,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,021.90 : 244,270.62 = 105,387.93 : x
  2. Step 2: Convert to fraction form
    177,021.90/244,270.62 = 105,387.93/x
  3. Step 3: Cross multiply
    177,021.90x = 244,270.62 × 105,387.93
  4. Step 4: Simplify right side
    177,021.90x = 25,743,175,001.62
  5. Step 5: Solve for x
    x = 25,743,175,001.62/177,021.90
  6. Step 6: Final answer
    x = 145,423.67

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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.