Home / 296,834.40-445,543.20-147,243.60

Finding the Fourth Proportional to 296,834.40, 445,543.20 and 147,243.60

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Solution

The fourth proportional to 296,834.40, 445,543.20 and 147,243.60 is: 221,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,834.40 : 445,543.20 = 147,243.60 : x
  2. Step 2: Convert to fraction form
    296,834.40/445,543.20 = 147,243.60/x
  3. Step 3: Cross multiply
    296,834.40x = 445,543.20 × 147,243.60
  4. Step 4: Simplify right side
    296,834.40x = 65,603,384,723.52
  5. Step 5: Solve for x
    x = 65,603,384,723.52/296,834.40
  6. Step 6: Final answer
    x = 221,010.05

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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.