Home / 174,919.80-262,077.30-81,233.40

Finding the Fourth Proportional to 174,919.80, 262,077.30 and 81,233.40

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Solution

The fourth proportional to 174,919.80, 262,077.30 and 81,233.40 is: 121,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,919.80 : 262,077.30 = 81,233.40 : x
  2. Step 2: Convert to fraction form
    174,919.80/262,077.30 = 81,233.40/x
  3. Step 3: Cross multiply
    174,919.80x = 262,077.30 × 81,233.40
  4. Step 4: Simplify right side
    174,919.80x = 21,289,430,141.82
  5. Step 5: Solve for x
    x = 21,289,430,141.82/174,919.80
  6. Step 6: Final answer
    x = 121,709.66

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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.