Home / 142,564.39-196,747.99-82,133.93

Finding the Fourth Proportional to 142,564.39, 196,747.99 and 82,133.93

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Solution

The fourth proportional to 142,564.39, 196,747.99 and 82,133.93 is: 113,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,564.39 : 196,747.99 = 82,133.93 : x
  2. Step 2: Convert to fraction form
    142,564.39/196,747.99 = 82,133.93/x
  3. Step 3: Cross multiply
    142,564.39x = 196,747.99 × 82,133.93
  4. Step 4: Simplify right side
    142,564.39x = 16,159,685,924.84
  5. Step 5: Solve for x
    x = 16,159,685,924.84/142,564.39
  6. Step 6: Final answer
    x = 113,350.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.