Home / 236,844.54-326,831.76-129,415.46

Finding the Fourth Proportional to 236,844.54, 326,831.76 and 129,415.46

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Solution

The fourth proportional to 236,844.54, 326,831.76 and 129,415.46 is: 178,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,844.54 : 326,831.76 = 129,415.46 : x
  2. Step 2: Convert to fraction form
    236,844.54/326,831.76 = 129,415.46/x
  3. Step 3: Cross multiply
    236,844.54x = 326,831.76 × 129,415.46
  4. Step 4: Simplify right side
    236,844.54x = 42,297,080,928.85
  5. Step 5: Solve for x
    x = 42,297,080,928.85/236,844.54
  6. Step 6: Final answer
    x = 178,585.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.