Home / 170,627.21-255,831.46-70,856.27

Finding the Fourth Proportional to 170,627.21, 255,831.46 and 70,856.27

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Solution

The fourth proportional to 170,627.21, 255,831.46 and 70,856.27 is: 106,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,627.21 : 255,831.46 = 70,856.27 : x
  2. Step 2: Convert to fraction form
    170,627.21/255,831.46 = 70,856.27/x
  3. Step 3: Cross multiply
    170,627.21x = 255,831.46 × 70,856.27
  4. Step 4: Simplify right side
    170,627.21x = 18,127,261,370.82
  5. Step 5: Solve for x
    x = 18,127,261,370.82/170,627.21
  6. Step 6: Final answer
    x = 106,238.99

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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.