Home / 377,743.38-566,614.94-128,425.38

Finding the Fourth Proportional to 377,743.38, 566,614.94 and 128,425.38

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Solution

The fourth proportional to 377,743.38, 566,614.94 and 128,425.38 is: 192,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,743.38 : 566,614.94 = 128,425.38 : x
  2. Step 2: Convert to fraction form
    377,743.38/566,614.94 = 128,425.38/x
  3. Step 3: Cross multiply
    377,743.38x = 566,614.94 × 128,425.38
  4. Step 4: Simplify right side
    377,743.38x = 72,767,738,341.05
  5. Step 5: Solve for x
    x = 72,767,738,341.05/377,743.38
  6. Step 6: Final answer
    x = 192,638.02

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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.