Home / 265,996.06-367,073.78-145,136.50

Finding the Fourth Proportional to 265,996.06, 367,073.78 and 145,136.50

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Solution

The fourth proportional to 265,996.06, 367,073.78 and 145,136.50 is: 200,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,996.06 : 367,073.78 = 145,136.50 : x
  2. Step 2: Convert to fraction form
    265,996.06/367,073.78 = 145,136.50/x
  3. Step 3: Cross multiply
    265,996.06x = 367,073.78 × 145,136.50
  4. Step 4: Simplify right side
    265,996.06x = 53,275,803,670.97
  5. Step 5: Solve for x
    x = 53,275,803,670.97/265,996.06
  6. Step 6: Final answer
    x = 200,287.94

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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.