Home / 228,922.73-315,907.38-126,947.93

Finding the Fourth Proportional to 228,922.73, 315,907.38 and 126,947.93

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Solution

The fourth proportional to 228,922.73, 315,907.38 and 126,947.93 is: 175,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,922.73 : 315,907.38 = 126,947.93 : x
  2. Step 2: Convert to fraction form
    228,922.73/315,907.38 = 126,947.93/x
  3. Step 3: Cross multiply
    228,922.73x = 315,907.38 × 126,947.93
  4. Step 4: Simplify right side
    228,922.73x = 40,103,787,962.72
  5. Step 5: Solve for x
    x = 40,103,787,962.72/228,922.73
  6. Step 6: Final answer
    x = 175,184.82

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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.