Home / 228,789.57-315,729.06-125,423.58

Finding the Fourth Proportional to 228,789.57, 315,729.06 and 125,423.58

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Solution

The fourth proportional to 228,789.57, 315,729.06 and 125,423.58 is: 173,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,789.57 : 315,729.06 = 125,423.58 : x
  2. Step 2: Convert to fraction form
    228,789.57/315,729.06 = 125,423.58/x
  3. Step 3: Cross multiply
    228,789.57x = 315,729.06 × 125,423.58
  4. Step 4: Simplify right side
    228,789.57x = 39,599,869,015.23
  5. Step 5: Solve for x
    x = 39,599,869,015.23/228,789.57
  6. Step 6: Final answer
    x = 173,084.24

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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.