Home / 293,176.60-439,836.90-82,811.80

Finding the Fourth Proportional to 293,176.60, 439,836.90 and 82,811.80

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Solution

The fourth proportional to 293,176.60, 439,836.90 and 82,811.80 is: 124,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,176.60 : 439,836.90 = 82,811.80 : x
  2. Step 2: Convert to fraction form
    293,176.60/439,836.90 = 82,811.80/x
  3. Step 3: Cross multiply
    293,176.60x = 439,836.90 × 82,811.80
  4. Step 4: Simplify right side
    293,176.60x = 36,423,685,395.42
  5. Step 5: Solve for x
    x = 36,423,685,395.42/293,176.60
  6. Step 6: Final answer
    x = 124,238.04

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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.