Home / 255,788.16-383,616.77-75,831.51

Finding the Fourth Proportional to 255,788.16, 383,616.77 and 75,831.51

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Solution

The fourth proportional to 255,788.16, 383,616.77 and 75,831.51 is: 113,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,788.16 : 383,616.77 = 75,831.51 : x
  2. Step 2: Convert to fraction form
    255,788.16/383,616.77 = 75,831.51/x
  3. Step 3: Cross multiply
    255,788.16x = 383,616.77 × 75,831.51
  4. Step 4: Simplify right side
    255,788.16x = 29,090,238,551.27
  5. Step 5: Solve for x
    x = 29,090,238,551.27/255,788.16
  6. Step 6: Final answer
    x = 113,727.85

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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.