Home / 232,501.07-320,813.26-136,994.78

Finding the Fourth Proportional to 232,501.07, 320,813.26 and 136,994.78

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Solution

The fourth proportional to 232,501.07, 320,813.26 and 136,994.78 is: 189,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,501.07 : 320,813.26 = 136,994.78 : x
  2. Step 2: Convert to fraction form
    232,501.07/320,813.26 = 136,994.78/x
  3. Step 3: Cross multiply
    232,501.07x = 320,813.26 × 136,994.78
  4. Step 4: Simplify right side
    232,501.07x = 43,949,742,434.33
  5. Step 5: Solve for x
    x = 43,949,742,434.33/232,501.07
  6. Step 6: Final answer
    x = 189,030.28

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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.