Home / 321,126.50-443,154.58-193,802.10

Finding the Fourth Proportional to 321,126.50, 443,154.58 and 193,802.10

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Solution

The fourth proportional to 321,126.50, 443,154.58 and 193,802.10 is: 267,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,126.50 : 443,154.58 = 193,802.10 : x
  2. Step 2: Convert to fraction form
    321,126.50/443,154.58 = 193,802.10/x
  3. Step 3: Cross multiply
    321,126.50x = 443,154.58 × 193,802.10
  4. Step 4: Simplify right side
    321,126.50x = 85,884,288,228.62
  5. Step 5: Solve for x
    x = 85,884,288,228.62/321,126.50
  6. Step 6: Final answer
    x = 267,446.90

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1.5x scale

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.