Home / 130,876.08-196,372.44-68,532

Finding the Fourth Proportional to 130,876.08, 196,372.44 and 68,532

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Solution

The fourth proportional to 130,876.08, 196,372.44 and 68,532 is: 102,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,876.08 : 196,372.44 = 68,532 : x
  2. Step 2: Convert to fraction form
    130,876.08/196,372.44 = 68,532/x
  3. Step 3: Cross multiply
    130,876.08x = 196,372.44 × 68,532
  4. Step 4: Simplify right side
    130,876.08x = 13,457,796,058.08
  5. Step 5: Solve for x
    x = 13,457,796,058.08/130,876.08
  6. Step 6: Final answer
    x = 102,828.54

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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.