Home / 142,965.69-214,450.36-37,783.75

Finding the Fourth Proportional to 142,965.69, 214,450.36 and 37,783.75

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Solution

The fourth proportional to 142,965.69, 214,450.36 and 37,783.75 is: 56,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965.69 : 214,450.36 = 37,783.75 : x
  2. Step 2: Convert to fraction form
    142,965.69/214,450.36 = 37,783.75/x
  3. Step 3: Cross multiply
    142,965.69x = 214,450.36 × 37,783.75
  4. Step 4: Simplify right side
    142,965.69x = 8,102,738,789.65
  5. Step 5: Solve for x
    x = 8,102,738,789.65/142,965.69
  6. Step 6: Final answer
    x = 56,676.11

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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.