Home / 132,588.70-198,864.36-69,388.04

Finding the Fourth Proportional to 132,588.70, 198,864.36 and 69,388.04

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Solution

The fourth proportional to 132,588.70, 198,864.36 and 69,388.04 is: 104,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.70 : 198,864.36 = 69,388.04 : x
  2. Step 2: Convert to fraction form
    132,588.70/198,864.36 = 69,388.04/x
  3. Step 3: Cross multiply
    132,588.70x = 198,864.36 × 69,388.04
  4. Step 4: Simplify right side
    132,588.70x = 13,798,808,663.42
  5. Step 5: Solve for x
    x = 13,798,808,663.42/132,588.70
  6. Step 6: Final answer
    x = 104,072.28

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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.