Home / 131,698.64-197,580.36-38,203.04

Finding the Fourth Proportional to 131,698.64, 197,580.36 and 38,203.04

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Solution

The fourth proportional to 131,698.64, 197,580.36 and 38,203.04 is: 57,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,698.64 : 197,580.36 = 38,203.04 : x
  2. Step 2: Convert to fraction form
    131,698.64/197,580.36 = 38,203.04/x
  3. Step 3: Cross multiply
    131,698.64x = 197,580.36 × 38,203.04
  4. Step 4: Simplify right side
    131,698.64x = 7,548,170,396.29
  5. Step 5: Solve for x
    x = 7,548,170,396.29/131,698.64
  6. Step 6: Final answer
    x = 57,313.96

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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.