Home / 236,932.58-355,417.56-79,161.59

Finding the Fourth Proportional to 236,932.58, 355,417.56 and 79,161.59

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Solution

The fourth proportional to 236,932.58, 355,417.56 and 79,161.59 is: 118,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,932.58 : 355,417.56 = 79,161.59 : x
  2. Step 2: Convert to fraction form
    236,932.58/355,417.56 = 79,161.59/x
  3. Step 3: Cross multiply
    236,932.58x = 355,417.56 × 79,161.59
  4. Step 4: Simplify right side
    236,932.58x = 28,135,417,386.43
  5. Step 5: Solve for x
    x = 28,135,417,386.43/236,932.58
  6. Step 6: Final answer
    x = 118,748.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.