Home / 436,298.07-654,455.21-136,771.95

Finding the Fourth Proportional to 436,298.07, 654,455.21 and 136,771.95

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Solution

The fourth proportional to 436,298.07, 654,455.21 and 136,771.95 is: 205,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,298.07 : 654,455.21 = 136,771.95 : x
  2. Step 2: Convert to fraction form
    436,298.07/654,455.21 = 136,771.95/x
  3. Step 3: Cross multiply
    436,298.07x = 654,455.21 × 136,771.95
  4. Step 4: Simplify right side
    436,298.07x = 89,511,114,575.50
  5. Step 5: Solve for x
    x = 89,511,114,575.50/436,298.07
  6. Step 6: Final answer
    x = 205,160.46

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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.