Home / 174,904.40-262,620.60-139,739.60

Finding the Fourth Proportional to 174,904.40, 262,620.60 and 139,739.60

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Solution

The fourth proportional to 174,904.40, 262,620.60 and 139,739.60 is: 209,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,904.40 : 262,620.60 = 139,739.60 : x
  2. Step 2: Convert to fraction form
    174,904.40/262,620.60 = 139,739.60/x
  3. Step 3: Cross multiply
    174,904.40x = 262,620.60 × 139,739.60
  4. Step 4: Simplify right side
    174,904.40x = 36,698,497,595.76
  5. Step 5: Solve for x
    x = 36,698,497,595.76/174,904.40
  6. Step 6: Final answer
    x = 209,820.32

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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.