Home / 153,733.87-230,491.89-68,297.80

Finding the Fourth Proportional to 153,733.87, 230,491.89 and 68,297.80

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Solution

The fourth proportional to 153,733.87, 230,491.89 and 68,297.80 is: 102,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,733.87 : 230,491.89 = 68,297.80 : x
  2. Step 2: Convert to fraction form
    153,733.87/230,491.89 = 68,297.80/x
  3. Step 3: Cross multiply
    153,733.87x = 230,491.89 × 68,297.80
  4. Step 4: Simplify right side
    153,733.87x = 15,742,089,004.84
  5. Step 5: Solve for x
    x = 15,742,089,004.84/153,733.87
  6. Step 6: Final answer
    x = 102,398.31

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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.