Home / 389,111.30-536,891.93-236,229.96

Finding the Fourth Proportional to 389,111.30, 536,891.93 and 236,229.96

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Solution

The fourth proportional to 389,111.30, 536,891.93 and 236,229.96 is: 325,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,111.30 : 536,891.93 = 236,229.96 : x
  2. Step 2: Convert to fraction form
    389,111.30/536,891.93 = 236,229.96/x
  3. Step 3: Cross multiply
    389,111.30x = 536,891.93 × 236,229.96
  4. Step 4: Simplify right side
    389,111.30x = 126,829,957,967.07
  5. Step 5: Solve for x
    x = 126,829,957,967.07/389,111.30
  6. Step 6: Final answer
    x = 325,947.77

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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.