Home / 115,738.56-173,706.16-82,539.92

Finding the Fourth Proportional to 115,738.56, 173,706.16 and 82,539.92

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Solution

The fourth proportional to 115,738.56, 173,706.16 and 82,539.92 is: 123,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,738.56 : 173,706.16 = 82,539.92 : x
  2. Step 2: Convert to fraction form
    115,738.56/173,706.16 = 82,539.92/x
  3. Step 3: Cross multiply
    115,738.56x = 173,706.16 × 82,539.92
  4. Step 4: Simplify right side
    115,738.56x = 14,337,692,549.91
  5. Step 5: Solve for x
    x = 14,337,692,549.91/115,738.56
  6. Step 6: Final answer
    x = 123,880.00

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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.