Home / 295,821.20-443,731.80-243,333.20

Finding the Fourth Proportional to 295,821.20, 443,731.80 and 243,333.20

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Solution

The fourth proportional to 295,821.20, 443,731.80 and 243,333.20 is: 364,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,821.20 : 443,731.80 = 243,333.20 : x
  2. Step 2: Convert to fraction form
    295,821.20/443,731.80 = 243,333.20/x
  3. Step 3: Cross multiply
    295,821.20x = 443,731.80 × 243,333.20
  4. Step 4: Simplify right side
    295,821.20x = 107,974,678,835.76
  5. Step 5: Solve for x
    x = 107,974,678,835.76/295,821.20
  6. Step 6: Final answer
    x = 364,999.80

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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.