Home / 443,976.08-665,974.92-144,457.52

Finding the Fourth Proportional to 443,976.08, 665,974.92 and 144,457.52

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Solution

The fourth proportional to 443,976.08, 665,974.92 and 144,457.52 is: 216,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,976.08 : 665,974.92 = 144,457.52 : x
  2. Step 2: Convert to fraction form
    443,976.08/665,974.92 = 144,457.52/x
  3. Step 3: Cross multiply
    443,976.08x = 665,974.92 × 144,457.52
  4. Step 4: Simplify right side
    443,976.08x = 96,205,085,325.40
  5. Step 5: Solve for x
    x = 96,205,085,325.40/443,976.08
  6. Step 6: Final answer
    x = 216,689.79

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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.