Home / 188,530.74-283,001.04-76,288.23

Finding the Fourth Proportional to 188,530.74, 283,001.04 and 76,288.23

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Solution

The fourth proportional to 188,530.74, 283,001.04 and 76,288.23 is: 114,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,530.74 : 283,001.04 = 76,288.23 : x
  2. Step 2: Convert to fraction form
    188,530.74/283,001.04 = 76,288.23/x
  3. Step 3: Cross multiply
    188,530.74x = 283,001.04 × 76,288.23
  4. Step 4: Simplify right side
    188,530.74x = 21,589,648,429.76
  5. Step 5: Solve for x
    x = 21,589,648,429.76/188,530.74
  6. Step 6: Final answer
    x = 114,515.27

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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.