Home / 488,901.82-733,353.33-133,918.91

Finding the Fourth Proportional to 488,901.82, 733,353.33 and 133,918.91

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Solution

The fourth proportional to 488,901.82, 733,353.33 and 133,918.91 is: 200,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,901.82 : 733,353.33 = 133,918.91 : x
  2. Step 2: Convert to fraction form
    488,901.82/733,353.33 = 133,918.91/x
  3. Step 3: Cross multiply
    488,901.82x = 733,353.33 × 133,918.91
  4. Step 4: Simplify right side
    488,901.82x = 98,209,878,598.47
  5. Step 5: Solve for x
    x = 98,209,878,598.47/488,901.82
  6. Step 6: Final answer
    x = 200,878.53

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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.