Home / 174,713.45-262,206.25-121,778.33

Finding the Fourth Proportional to 174,713.45, 262,206.25 and 121,778.33

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Solution

The fourth proportional to 174,713.45, 262,206.25 and 121,778.33 is: 182,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,713.45 : 262,206.25 = 121,778.33 : x
  2. Step 2: Convert to fraction form
    174,713.45/262,206.25 = 121,778.33/x
  3. Step 3: Cross multiply
    174,713.45x = 262,206.25 × 121,778.33
  4. Step 4: Simplify right side
    174,713.45x = 31,931,037,625.09
  5. Step 5: Solve for x
    x = 31,931,037,625.09/174,713.45
  6. Step 6: Final answer
    x = 182,762.34

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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.