Home / 150,326.12-207,450-82,347.35

Finding the Fourth Proportional to 150,326.12, 207,450 and 82,347.35

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Solution

The fourth proportional to 150,326.12, 207,450 and 82,347.35 is: 113,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,326.12 : 207,450 = 82,347.35 : x
  2. Step 2: Convert to fraction form
    150,326.12/207,450 = 82,347.35/x
  3. Step 3: Cross multiply
    150,326.12x = 207,450 × 82,347.35
  4. Step 4: Simplify right side
    150,326.12x = 17,082,956,720.25
  5. Step 5: Solve for x
    x = 17,082,956,720.25/150,326.12
  6. Step 6: Final answer
    x = 113,639.31

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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.