Home / 443,966.65-665,184.53-206,822.95

Finding the Fourth Proportional to 443,966.65, 665,184.53 and 206,822.95

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Solution

The fourth proportional to 443,966.65, 665,184.53 and 206,822.95 is: 309,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,966.65 : 665,184.53 = 206,822.95 : x
  2. Step 2: Convert to fraction form
    443,966.65/665,184.53 = 206,822.95/x
  3. Step 3: Cross multiply
    443,966.65x = 665,184.53 × 206,822.95
  4. Step 4: Simplify right side
    443,966.65x = 137,575,425,754.85
  5. Step 5: Solve for x
    x = 137,575,425,754.85/443,966.65
  6. Step 6: Final answer
    x = 309,877.84

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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.