Home / 188,748.36-282,991.32-83,509.92

Finding the Fourth Proportional to 188,748.36, 282,991.32 and 83,509.92

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Solution

The fourth proportional to 188,748.36, 282,991.32 and 83,509.92 is: 125,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,748.36 : 282,991.32 = 83,509.92 : x
  2. Step 2: Convert to fraction form
    188,748.36/282,991.32 = 83,509.92/x
  3. Step 3: Cross multiply
    188,748.36x = 282,991.32 × 83,509.92
  4. Step 4: Simplify right side
    188,748.36x = 23,632,582,493.89
  5. Step 5: Solve for x
    x = 23,632,582,493.89/188,748.36
  6. Step 6: Final answer
    x = 125,206.82

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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.