Home / 119,331.72-164,704.26-93,438.78

Finding the Fourth Proportional to 119,331.72, 164,704.26 and 93,438.78

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Solution

The fourth proportional to 119,331.72, 164,704.26 and 93,438.78 is: 128,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,331.72 : 164,704.26 = 93,438.78 : x
  2. Step 2: Convert to fraction form
    119,331.72/164,704.26 = 93,438.78/x
  3. Step 3: Cross multiply
    119,331.72x = 164,704.26 × 93,438.78
  4. Step 4: Simplify right side
    119,331.72x = 15,389,765,115.20
  5. Step 5: Solve for x
    x = 15,389,765,115.20/119,331.72
  6. Step 6: Final answer
    x = 128,966.26

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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.