Home / 436,211.10-654,316.81-136,714.92

Finding the Fourth Proportional to 436,211.10, 654,316.81 and 136,714.92

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Solution

The fourth proportional to 436,211.10, 654,316.81 and 136,714.92 is: 205,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,211.10 : 654,316.81 = 136,714.92 : x
  2. Step 2: Convert to fraction form
    436,211.10/654,316.81 = 136,714.92/x
  3. Step 3: Cross multiply
    436,211.10x = 654,316.81 × 136,714.92
  4. Step 4: Simplify right side
    436,211.10x = 89,454,869,992.02
  5. Step 5: Solve for x
    x = 89,454,869,992.02/436,211.10
  6. Step 6: Final answer
    x = 205,072.43

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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.