Home / 321,025.48-443,014.28-185,058.68

Finding the Fourth Proportional to 321,025.48, 443,014.28 and 185,058.68

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Solution

The fourth proportional to 321,025.48, 443,014.28 and 185,058.68 is: 255,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,025.48 : 443,014.28 = 185,058.68 : x
  2. Step 2: Convert to fraction form
    321,025.48/443,014.28 = 185,058.68/x
  3. Step 3: Cross multiply
    321,025.48x = 443,014.28 × 185,058.68
  4. Step 4: Simplify right side
    321,025.48x = 81,983,637,877.95
  5. Step 5: Solve for x
    x = 81,983,637,877.95/321,025.48
  6. Step 6: Final answer
    x = 255,380.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.