Home / 204,281.86-281,831.58-126,721.66

Finding the Fourth Proportional to 204,281.86, 281,831.58 and 126,721.66

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Solution

The fourth proportional to 204,281.86, 281,831.58 and 126,721.66 is: 174,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,281.86 : 281,831.58 = 126,721.66 : x
  2. Step 2: Convert to fraction form
    204,281.86/281,831.58 = 126,721.66/x
  3. Step 3: Cross multiply
    204,281.86x = 281,831.58 × 126,721.66
  4. Step 4: Simplify right side
    204,281.86x = 35,714,165,658.02
  5. Step 5: Solve for x
    x = 35,714,165,658.02/204,281.86
  6. Step 6: Final answer
    x = 174,827.89

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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.