Home / 407,136.22-610,081.56-217,623.58

Finding the Fourth Proportional to 407,136.22, 610,081.56 and 217,623.58

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Solution

The fourth proportional to 407,136.22, 610,081.56 and 217,623.58 is: 326,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,136.22 : 610,081.56 = 217,623.58 : x
  2. Step 2: Convert to fraction form
    407,136.22/610,081.56 = 217,623.58/x
  3. Step 3: Cross multiply
    407,136.22x = 610,081.56 × 217,623.58
  4. Step 4: Simplify right side
    407,136.22x = 132,768,133,179.19
  5. Step 5: Solve for x
    x = 132,768,133,179.19/407,136.22
  6. Step 6: Final answer
    x = 326,102.49

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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.