Home / 395,527.32-545,823.36-214,234.74

Finding the Fourth Proportional to 395,527.32, 545,823.36 and 214,234.74

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Solution

The fourth proportional to 395,527.32, 545,823.36 and 214,234.74 is: 295,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,527.32 : 545,823.36 = 214,234.74 : x
  2. Step 2: Convert to fraction form
    395,527.32/545,823.36 = 214,234.74/x
  3. Step 3: Cross multiply
    395,527.32x = 545,823.36 × 214,234.74
  4. Step 4: Simplify right side
    395,527.32x = 116,934,325,615.53
  5. Step 5: Solve for x
    x = 116,934,325,615.53/395,527.32
  6. Step 6: Final answer
    x = 295,641.59

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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.