Home / 258,333.36-356,504.25-142,051.78

Finding the Fourth Proportional to 258,333.36, 356,504.25 and 142,051.78

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Solution

The fourth proportional to 258,333.36, 356,504.25 and 142,051.78 is: 196,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,333.36 : 356,504.25 = 142,051.78 : x
  2. Step 2: Convert to fraction form
    258,333.36/356,504.25 = 142,051.78/x
  3. Step 3: Cross multiply
    258,333.36x = 356,504.25 × 142,051.78
  4. Step 4: Simplify right side
    258,333.36x = 50,642,063,290.07
  5. Step 5: Solve for x
    x = 50,642,063,290.07/258,333.36
  6. Step 6: Final answer
    x = 196,033.77

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1.5x scale

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.