Home / 174,090.96-260,786.52-90,810

Finding the Fourth Proportional to 174,090.96, 260,786.52 and 90,810

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Solution

The fourth proportional to 174,090.96, 260,786.52 and 90,810 is: 136,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,090.96 : 260,786.52 = 90,810 : x
  2. Step 2: Convert to fraction form
    174,090.96/260,786.52 = 90,810/x
  3. Step 3: Cross multiply
    174,090.96x = 260,786.52 × 90,810
  4. Step 4: Simplify right side
    174,090.96x = 23,682,023,881.20
  5. Step 5: Solve for x
    x = 23,682,023,881.20/174,090.96
  6. Step 6: Final answer
    x = 136,032.47

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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.