Home / 436,117.69-654,176.01-136,621.59

Finding the Fourth Proportional to 436,117.69, 654,176.01 and 136,621.59

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Solution

The fourth proportional to 436,117.69, 654,176.01 and 136,621.59 is: 204,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,117.69 : 654,176.01 = 136,621.59 : x
  2. Step 2: Convert to fraction form
    436,117.69/654,176.01 = 136,621.59/x
  3. Step 3: Cross multiply
    436,117.69x = 654,176.01 × 136,621.59
  4. Step 4: Simplify right side
    436,117.69x = 89,374,566,626.06
  5. Step 5: Solve for x
    x = 89,374,566,626.06/436,117.69
  6. Step 6: Final answer
    x = 204,932.22

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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.