Home / 398,583.18-597,903.93-161,930.34

Finding the Fourth Proportional to 398,583.18, 597,903.93 and 161,930.34

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Solution

The fourth proportional to 398,583.18, 597,903.93 and 161,930.34 is: 242,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,583.18 : 597,903.93 = 161,930.34 : x
  2. Step 2: Convert to fraction form
    398,583.18/597,903.93 = 161,930.34/x
  3. Step 3: Cross multiply
    398,583.18x = 597,903.93 × 161,930.34
  4. Step 4: Simplify right side
    398,583.18x = 96,818,786,672.24
  5. Step 5: Solve for x
    x = 96,818,786,672.24/398,583.18
  6. Step 6: Final answer
    x = 242,907.36

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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.