Home / 293,056.60-439,541.70-82,715.80

Finding the Fourth Proportional to 293,056.60, 439,541.70 and 82,715.80

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Solution

The fourth proportional to 293,056.60, 439,541.70 and 82,715.80 is: 124,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,056.60 : 439,541.70 = 82,715.80 : x
  2. Step 2: Convert to fraction form
    293,056.60/439,541.70 = 82,715.80/x
  3. Step 3: Cross multiply
    293,056.60x = 439,541.70 × 82,715.80
  4. Step 4: Simplify right side
    293,056.60x = 36,357,043,348.86
  5. Step 5: Solve for x
    x = 36,357,043,348.86/293,056.60
  6. Step 6: Final answer
    x = 124,061.51

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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.