Home / 383,214.93-528,811.31-230,162.18

Finding the Fourth Proportional to 383,214.93, 528,811.31 and 230,162.18

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Solution

The fourth proportional to 383,214.93, 528,811.31 and 230,162.18 is: 317,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,214.93 : 528,811.31 = 230,162.18 : x
  2. Step 2: Convert to fraction form
    383,214.93/528,811.31 = 230,162.18/x
  3. Step 3: Cross multiply
    383,214.93x = 528,811.31 × 230,162.18
  4. Step 4: Simplify right side
    383,214.93x = 121,712,363,342.85
  5. Step 5: Solve for x
    x = 121,712,363,342.85/383,214.93
  6. Step 6: Final answer
    x = 317,608.61

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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.