Home / 373,831.04-515,878.80-204,068

Finding the Fourth Proportional to 373,831.04, 515,878.80 and 204,068

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Solution

The fourth proportional to 373,831.04, 515,878.80 and 204,068 is: 281,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,831.04 : 515,878.80 = 204,068 : x
  2. Step 2: Convert to fraction form
    373,831.04/515,878.80 = 204,068/x
  3. Step 3: Cross multiply
    373,831.04x = 515,878.80 × 204,068
  4. Step 4: Simplify right side
    373,831.04x = 105,274,354,958.40
  5. Step 5: Solve for x
    x = 105,274,354,958.40/373,831.04
  6. Step 6: Final answer
    x = 281,609.45

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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.