Home / 185,205.22-255,582.75-100,323.70

Finding the Fourth Proportional to 185,205.22, 255,582.75 and 100,323.70

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Solution

The fourth proportional to 185,205.22, 255,582.75 and 100,323.70 is: 138,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,205.22 : 255,582.75 = 100,323.70 : x
  2. Step 2: Convert to fraction form
    185,205.22/255,582.75 = 100,323.70/x
  3. Step 3: Cross multiply
    185,205.22x = 255,582.75 × 100,323.70
  4. Step 4: Simplify right side
    185,205.22x = 25,641,007,136.18
  5. Step 5: Solve for x
    x = 25,641,007,136.18/185,205.22
  6. Step 6: Final answer
    x = 138,446.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.