Home / 321,325.04-443,378.40-185,364.11

Finding the Fourth Proportional to 321,325.04, 443,378.40 and 185,364.11

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Solution

The fourth proportional to 321,325.04, 443,378.40 and 185,364.11 is: 255,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,325.04 : 443,378.40 = 185,364.11 : x
  2. Step 2: Convert to fraction form
    321,325.04/443,378.40 = 185,364.11/x
  3. Step 3: Cross multiply
    321,325.04x = 443,378.40 × 185,364.11
  4. Step 4: Simplify right side
    321,325.04x = 82,186,442,509.22
  5. Step 5: Solve for x
    x = 82,186,442,509.22/321,325.04
  6. Step 6: Final answer
    x = 255,773.54

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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.