Home / 533,178.05-799,742.43-133,809.98

Finding the Fourth Proportional to 533,178.05, 799,742.43 and 133,809.98

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Solution

The fourth proportional to 533,178.05, 799,742.43 and 133,809.98 is: 200,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,178.05 : 799,742.43 = 133,809.98 : x
  2. Step 2: Convert to fraction form
    533,178.05/799,742.43 = 133,809.98/x
  3. Step 3: Cross multiply
    533,178.05x = 799,742.43 × 133,809.98
  4. Step 4: Simplify right side
    533,178.05x = 107,013,514,564.74
  5. Step 5: Solve for x
    x = 107,013,514,564.74/533,178.05
  6. Step 6: Final answer
    x = 200,708.78

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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.