Home / 543,760.02-815,631.39-133,433.73

Finding the Fourth Proportional to 543,760.02, 815,631.39 and 133,433.73

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Solution

The fourth proportional to 543,760.02, 815,631.39 and 133,433.73 is: 200,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,760.02 : 815,631.39 = 133,433.73 : x
  2. Step 2: Convert to fraction form
    543,760.02/815,631.39 = 133,433.73/x
  3. Step 3: Cross multiply
    543,760.02x = 815,631.39 × 133,433.73
  4. Step 4: Simplify right side
    543,760.02x = 108,832,738,672.79
  5. Step 5: Solve for x
    x = 108,832,738,672.79/543,760.02
  6. Step 6: Final answer
    x = 200,148.47

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1.5x scale

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.