Home / 488,754.28-733,130.88-133,771.24

Finding the Fourth Proportional to 488,754.28, 733,130.88 and 133,771.24

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Solution

The fourth proportional to 488,754.28, 733,130.88 and 133,771.24 is: 200,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,754.28 : 733,130.88 = 133,771.24 : x
  2. Step 2: Convert to fraction form
    488,754.28/733,130.88 = 133,771.24/x
  3. Step 3: Cross multiply
    488,754.28x = 733,130.88 × 133,771.24
  4. Step 4: Simplify right side
    488,754.28x = 98,071,826,899.89
  5. Step 5: Solve for x
    x = 98,071,826,899.89/488,754.28
  6. Step 6: Final answer
    x = 200,656.71

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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.