Home / 398,330.19-597,771.16-158,419.46

Finding the Fourth Proportional to 398,330.19, 597,771.16 and 158,419.46

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Solution

The fourth proportional to 398,330.19, 597,771.16 and 158,419.46 is: 237,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,330.19 : 597,771.16 = 158,419.46 : x
  2. Step 2: Convert to fraction form
    398,330.19/597,771.16 = 158,419.46/x
  3. Step 3: Cross multiply
    398,330.19x = 597,771.16 × 158,419.46
  4. Step 4: Simplify right side
    398,330.19x = 94,698,585,469.15
  5. Step 5: Solve for x
    x = 94,698,585,469.15/398,330.19
  6. Step 6: Final answer
    x = 237,738.91

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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.