Home / 436,269.60-654,418.96-120,700.08

Finding the Fourth Proportional to 436,269.60, 654,418.96 and 120,700.08

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Solution

The fourth proportional to 436,269.60, 654,418.96 and 120,700.08 is: 181,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,269.60 : 654,418.96 = 120,700.08 : x
  2. Step 2: Convert to fraction form
    436,269.60/654,418.96 = 120,700.08/x
  3. Step 3: Cross multiply
    436,269.60x = 654,418.96 × 120,700.08
  4. Step 4: Simplify right side
    436,269.60x = 78,988,420,825.52
  5. Step 5: Solve for x
    x = 78,988,420,825.52/436,269.60
  6. Step 6: Final answer
    x = 181,054.15

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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.