Home / 398,365.09-597,546-161,705.77

Finding the Fourth Proportional to 398,365.09, 597,546 and 161,705.77

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Solution

The fourth proportional to 398,365.09, 597,546 and 161,705.77 is: 242,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,365.09 : 597,546 = 161,705.77 : x
  2. Step 2: Convert to fraction form
    398,365.09/597,546 = 161,705.77/x
  3. Step 3: Cross multiply
    398,365.09x = 597,546 × 161,705.77
  4. Step 4: Simplify right side
    398,365.09x = 96,626,636,040.42
  5. Step 5: Solve for x
    x = 96,626,636,040.42/398,365.09
  6. Step 6: Final answer
    x = 242,557.99

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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.