Home / 232,465.49-320,764.33-136,959.20

Finding the Fourth Proportional to 232,465.49, 320,764.33 and 136,959.20

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Solution

The fourth proportional to 232,465.49, 320,764.33 and 136,959.20 is: 188,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,465.49 : 320,764.33 = 136,959.20 : x
  2. Step 2: Convert to fraction form
    232,465.49/320,764.33 = 136,959.20/x
  3. Step 3: Cross multiply
    232,465.49x = 320,764.33 × 136,959.20
  4. Step 4: Simplify right side
    232,465.49x = 43,931,627,214.68
  5. Step 5: Solve for x
    x = 43,931,627,214.68/232,465.49
  6. Step 6: Final answer
    x = 188,981.28

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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.