Home / 174,879.40-262,583.10-139,714.60

Finding the Fourth Proportional to 174,879.40, 262,583.10 and 139,714.60

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Solution

The fourth proportional to 174,879.40, 262,583.10 and 139,714.60 is: 209,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,879.40 : 262,583.10 = 139,714.60 : x
  2. Step 2: Convert to fraction form
    174,879.40/262,583.10 = 139,714.60/x
  3. Step 3: Cross multiply
    174,879.40x = 262,583.10 × 139,714.60
  4. Step 4: Simplify right side
    174,879.40x = 36,686,692,783.26
  5. Step 5: Solve for x
    x = 36,686,692,783.26/174,879.40
  6. Step 6: Final answer
    x = 209,782.81

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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.