Home / 389,104.70-536,873.13-236,139.32

Finding the Fourth Proportional to 389,104.70, 536,873.13 and 236,139.32

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Solution

The fourth proportional to 389,104.70, 536,873.13 and 236,139.32 is: 325,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,104.70 : 536,873.13 = 236,139.32 : x
  2. Step 2: Convert to fraction form
    389,104.70/536,873.13 = 236,139.32/x
  3. Step 3: Cross multiply
    389,104.70x = 536,873.13 × 236,139.32
  4. Step 4: Simplify right side
    389,104.70x = 126,776,855,844.47
  5. Step 5: Solve for x
    x = 126,776,855,844.47/389,104.70
  6. Step 6: Final answer
    x = 325,816.82

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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.