Home / 171,831.45-257,811.98-83,163.45

Finding the Fourth Proportional to 171,831.45, 257,811.98 and 83,163.45

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Solution

The fourth proportional to 171,831.45, 257,811.98 and 83,163.45 is: 124,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,831.45 : 257,811.98 = 83,163.45 : x
  2. Step 2: Convert to fraction form
    171,831.45/257,811.98 = 83,163.45/x
  3. Step 3: Cross multiply
    171,831.45x = 257,811.98 × 83,163.45
  4. Step 4: Simplify right side
    171,831.45x = 21,440,533,292.31
  5. Step 5: Solve for x
    x = 21,440,533,292.31/171,831.45
  6. Step 6: Final answer
    x = 124,776.54

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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.