Home / 255,790.16-383,619.76-75,833.52

Finding the Fourth Proportional to 255,790.16, 383,619.76 and 75,833.52

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Solution

The fourth proportional to 255,790.16, 383,619.76 and 75,833.52 is: 113,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,790.16 : 383,619.76 = 75,833.52 : x
  2. Step 2: Convert to fraction form
    255,790.16/383,619.76 = 75,833.52/x
  3. Step 3: Cross multiply
    255,790.16x = 383,619.76 × 75,833.52
  4. Step 4: Simplify right side
    255,790.16x = 29,091,236,742.36
  5. Step 5: Solve for x
    x = 29,091,236,742.36/255,790.16
  6. Step 6: Final answer
    x = 113,730.87

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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.