Home / 389,416.14-584,196.30-123,243.66

Finding the Fourth Proportional to 389,416.14, 584,196.30 and 123,243.66

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Solution

The fourth proportional to 389,416.14, 584,196.30 and 123,243.66 is: 184,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,416.14 : 584,196.30 = 123,243.66 : x
  2. Step 2: Convert to fraction form
    389,416.14/584,196.30 = 123,243.66/x
  3. Step 3: Cross multiply
    389,416.14x = 584,196.30 × 123,243.66
  4. Step 4: Simplify right side
    389,416.14x = 71,998,490,170.46
  5. Step 5: Solve for x
    x = 71,998,490,170.46/389,416.14
  6. Step 6: Final answer
    x = 184,888.31

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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.