Home / 293,081.60-439,579.20-82,740.80

Finding the Fourth Proportional to 293,081.60, 439,579.20 and 82,740.80

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Solution

The fourth proportional to 293,081.60, 439,579.20 and 82,740.80 is: 124,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,081.60 : 439,579.20 = 82,740.80 : x
  2. Step 2: Convert to fraction form
    293,081.60/439,579.20 = 82,740.80/x
  3. Step 3: Cross multiply
    293,081.60x = 439,579.20 × 82,740.80
  4. Step 4: Simplify right side
    293,081.60x = 36,371,134,671.36
  5. Step 5: Solve for x
    x = 36,371,134,671.36/293,081.60
  6. Step 6: Final answer
    x = 124,099.00

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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.