Home / 255,823.92-383,669.28-106,106.64

Finding the Fourth Proportional to 255,823.92, 383,669.28 and 106,106.64

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Solution

The fourth proportional to 255,823.92, 383,669.28 and 106,106.64 is: 159,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,823.92 : 383,669.28 = 106,106.64 : x
  2. Step 2: Convert to fraction form
    255,823.92/383,669.28 = 106,106.64/x
  3. Step 3: Cross multiply
    255,823.92x = 383,669.28 × 106,106.64
  4. Step 4: Simplify right side
    255,823.92x = 40,709,858,172.02
  5. Step 5: Solve for x
    x = 40,709,858,172.02/255,823.92
  6. Step 6: Final answer
    x = 159,132.34

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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.