Home / 167,040.56-250,441.81-78,245.63

Finding the Fourth Proportional to 167,040.56, 250,441.81 and 78,245.63

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Solution

The fourth proportional to 167,040.56, 250,441.81 and 78,245.63 is: 117,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,040.56 : 250,441.81 = 78,245.63 : x
  2. Step 2: Convert to fraction form
    167,040.56/250,441.81 = 78,245.63/x
  3. Step 3: Cross multiply
    167,040.56x = 250,441.81 × 78,245.63
  4. Step 4: Simplify right side
    167,040.56x = 19,595,976,693.12
  5. Step 5: Solve for x
    x = 19,595,976,693.12/167,040.56
  6. Step 6: Final answer
    x = 117,312.68

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1.5x scale

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.