Home / 255,966.28-383,949.55-106,166.33

Finding the Fourth Proportional to 255,966.28, 383,949.55 and 106,166.33

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Solution

The fourth proportional to 255,966.28, 383,949.55 and 106,166.33 is: 159,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,966.28 : 383,949.55 = 106,166.33 : x
  2. Step 2: Convert to fraction form
    255,966.28/383,949.55 = 106,166.33/x
  3. Step 3: Cross multiply
    255,966.28x = 383,949.55 × 106,166.33
  4. Step 4: Simplify right side
    255,966.28x = 40,762,514,281.42
  5. Step 5: Solve for x
    x = 40,762,514,281.42/255,966.28
  6. Step 6: Final answer
    x = 159,249.55

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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.