Home / 293,047.10-439,527.45-82,706.30

Finding the Fourth Proportional to 293,047.10, 439,527.45 and 82,706.30

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Solution

The fourth proportional to 293,047.10, 439,527.45 and 82,706.30 is: 124,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,047.10 : 439,527.45 = 82,706.30 : x
  2. Step 2: Convert to fraction form
    293,047.10/439,527.45 = 82,706.30/x
  3. Step 3: Cross multiply
    293,047.10x = 439,527.45 × 82,706.30
  4. Step 4: Simplify right side
    293,047.10x = 36,351,689,137.94
  5. Step 5: Solve for x
    x = 36,351,689,137.94/293,047.10
  6. Step 6: Final answer
    x = 124,047.26

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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.