Home / 324,831.60-487,247.40-114,490.80

Finding the Fourth Proportional to 324,831.60, 487,247.40 and 114,490.80

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Solution

The fourth proportional to 324,831.60, 487,247.40 and 114,490.80 is: 171,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,831.60 : 487,247.40 = 114,490.80 : x
  2. Step 2: Convert to fraction form
    324,831.60/487,247.40 = 114,490.80/x
  3. Step 3: Cross multiply
    324,831.60x = 487,247.40 × 114,490.80
  4. Step 4: Simplify right side
    324,831.60x = 55,785,344,623.92
  5. Step 5: Solve for x
    x = 55,785,344,623.92/324,831.60
  6. Step 6: Final answer
    x = 171,736.20

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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.