Home / 152,446.78-228,548.06-72,444.60

Finding the Fourth Proportional to 152,446.78, 228,548.06 and 72,444.60

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Solution

The fourth proportional to 152,446.78, 228,548.06 and 72,444.60 is: 108,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,446.78 : 228,548.06 = 72,444.60 : x
  2. Step 2: Convert to fraction form
    152,446.78/228,548.06 = 72,444.60/x
  3. Step 3: Cross multiply
    152,446.78x = 228,548.06 × 72,444.60
  4. Step 4: Simplify right side
    152,446.78x = 16,557,072,787.48
  5. Step 5: Solve for x
    x = 16,557,072,787.48/152,446.78
  6. Step 6: Final answer
    x = 108,608.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.