Home / 228,933.42-315,919.32-126,963.06

Finding the Fourth Proportional to 228,933.42, 315,919.32 and 126,963.06

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Solution

The fourth proportional to 228,933.42, 315,919.32 and 126,963.06 is: 175,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,933.42 : 315,919.32 = 126,963.06 : x
  2. Step 2: Convert to fraction form
    228,933.42/315,919.32 = 126,963.06/x
  3. Step 3: Cross multiply
    228,933.42x = 315,919.32 × 126,963.06
  4. Step 4: Simplify right side
    228,933.42x = 40,110,083,580.32
  5. Step 5: Solve for x
    x = 40,110,083,580.32/228,933.42
  6. Step 6: Final answer
    x = 175,204.14

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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.