Home / 443,384.20-664,946.70-159,041.80

Finding the Fourth Proportional to 443,384.20, 664,946.70 and 159,041.80

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Solution

The fourth proportional to 443,384.20, 664,946.70 and 159,041.80 is: 238,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,384.20 : 664,946.70 = 159,041.80 : x
  2. Step 2: Convert to fraction form
    443,384.20/664,946.70 = 159,041.80/x
  3. Step 3: Cross multiply
    443,384.20x = 664,946.70 × 159,041.80
  4. Step 4: Simplify right side
    443,384.20x = 105,754,320,072.06
  5. Step 5: Solve for x
    x = 105,754,320,072.06/443,384.20
  6. Step 6: Final answer
    x = 238,516.21

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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.