Home / 389,091.29-536,854.55-236,126.03

Finding the Fourth Proportional to 389,091.29, 536,854.55 and 236,126.03

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Solution

The fourth proportional to 389,091.29, 536,854.55 and 236,126.03 is: 325,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,091.29 : 536,854.55 = 236,126.03 : x
  2. Step 2: Convert to fraction form
    389,091.29/536,854.55 = 236,126.03/x
  3. Step 3: Cross multiply
    389,091.29x = 536,854.55 × 236,126.03
  4. Step 4: Simplify right side
    389,091.29x = 126,765,331,484.98
  5. Step 5: Solve for x
    x = 126,765,331,484.98/389,091.29
  6. Step 6: Final answer
    x = 325,798.43

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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.