Home / 142,694.34-196,917.99-79,032.06

Finding the Fourth Proportional to 142,694.34, 196,917.99 and 79,032.06

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Solution

The fourth proportional to 142,694.34, 196,917.99 and 79,032.06 is: 109,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,694.34 : 196,917.99 = 79,032.06 : x
  2. Step 2: Convert to fraction form
    142,694.34/196,917.99 = 79,032.06/x
  3. Step 3: Cross multiply
    142,694.34x = 196,917.99 × 79,032.06
  4. Step 4: Simplify right side
    142,694.34x = 15,562,834,400.76
  5. Step 5: Solve for x
    x = 15,562,834,400.76/142,694.34
  6. Step 6: Final answer
    x = 109,064.13

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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.