Home / 188,805.36-283,207.69-55,779.06

Finding the Fourth Proportional to 188,805.36, 283,207.69 and 55,779.06

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Solution

The fourth proportional to 188,805.36, 283,207.69 and 55,779.06 is: 83,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,805.36 : 283,207.69 = 55,779.06 : x
  2. Step 2: Convert to fraction form
    188,805.36/283,207.69 = 55,779.06/x
  3. Step 3: Cross multiply
    188,805.36x = 283,207.69 × 55,779.06
  4. Step 4: Simplify right side
    188,805.36x = 15,797,059,864.72
  5. Step 5: Solve for x
    x = 15,797,059,864.72/188,805.36
  6. Step 6: Final answer
    x = 83,668.49

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1.5x scale

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.