Home / 188,742.36-282,982.32-83,503.92

Finding the Fourth Proportional to 188,742.36, 282,982.32 and 83,503.92

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Solution

The fourth proportional to 188,742.36, 282,982.32 and 83,503.92 is: 125,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,742.36 : 282,982.32 = 83,503.92 : x
  2. Step 2: Convert to fraction form
    188,742.36/282,982.32 = 83,503.92/x
  3. Step 3: Cross multiply
    188,742.36x = 282,982.32 × 83,503.92
  4. Step 4: Simplify right side
    188,742.36x = 23,630,133,010.69
  5. Step 5: Solve for x
    x = 23,630,133,010.69/188,742.36
  6. Step 6: Final answer
    x = 125,197.83

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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.