Home / 293,071.20-439,602-93,388.86

Finding the Fourth Proportional to 293,071.20, 439,602 and 93,388.86

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Solution

The fourth proportional to 293,071.20, 439,602 and 93,388.86 is: 140,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,071.20 : 439,602 = 93,388.86 : x
  2. Step 2: Convert to fraction form
    293,071.20/439,602 = 93,388.86/x
  3. Step 3: Cross multiply
    293,071.20x = 439,602 × 93,388.86
  4. Step 4: Simplify right side
    293,071.20x = 41,053,929,633.72
  5. Step 5: Solve for x
    x = 41,053,929,633.72/293,071.20
  6. Step 6: Final answer
    x = 140,081.76

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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.