Home / 252,936.66-349,048.35-138,212.77

Finding the Fourth Proportional to 252,936.66, 349,048.35 and 138,212.77

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Solution

The fourth proportional to 252,936.66, 349,048.35 and 138,212.77 is: 190,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,936.66 : 349,048.35 = 138,212.77 : x
  2. Step 2: Convert to fraction form
    252,936.66/349,048.35 = 138,212.77/x
  3. Step 3: Cross multiply
    252,936.66x = 349,048.35 × 138,212.77
  4. Step 4: Simplify right side
    252,936.66x = 48,242,939,317.43
  5. Step 5: Solve for x
    x = 48,242,939,317.43/252,936.66
  6. Step 6: Final answer
    x = 190,731.31

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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.