Home / 188,722.08-282,645.63-113,678.28

Finding the Fourth Proportional to 188,722.08, 282,645.63 and 113,678.28

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Solution

The fourth proportional to 188,722.08, 282,645.63 and 113,678.28 is: 170,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,722.08 : 282,645.63 = 113,678.28 : x
  2. Step 2: Convert to fraction form
    188,722.08/282,645.63 = 113,678.28/x
  3. Step 3: Cross multiply
    188,722.08x = 282,645.63 × 113,678.28
  4. Step 4: Simplify right side
    188,722.08x = 32,130,669,067.92
  5. Step 5: Solve for x
    x = 32,130,669,067.92/188,722.08
  6. Step 6: Final answer
    x = 170,253.89

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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.