Home / 171,831.85-257,936.34-136,520.16

Finding the Fourth Proportional to 171,831.85, 257,936.34 and 136,520.16

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Solution

The fourth proportional to 171,831.85, 257,936.34 and 136,520.16 is: 204,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,831.85 : 257,936.34 = 136,520.16 : x
  2. Step 2: Convert to fraction form
    171,831.85/257,936.34 = 136,520.16/x
  3. Step 3: Cross multiply
    171,831.85x = 257,936.34 × 136,520.16
  4. Step 4: Simplify right side
    171,831.85x = 35,213,510,406.61
  5. Step 5: Solve for x
    x = 35,213,510,406.61/171,831.85
  6. Step 6: Final answer
    x = 204,930.05

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1.5x scale

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.