Home / 415,460.07-623,273.91-131,195.01

Finding the Fourth Proportional to 415,460.07, 623,273.91 and 131,195.01

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Solution

The fourth proportional to 415,460.07, 623,273.91 and 131,195.01 is: 196,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,460.07 : 623,273.91 = 131,195.01 : x
  2. Step 2: Convert to fraction form
    415,460.07/623,273.91 = 131,195.01/x
  3. Step 3: Cross multiply
    415,460.07x = 623,273.91 × 131,195.01
  4. Step 4: Simplify right side
    415,460.07x = 81,770,426,855.19
  5. Step 5: Solve for x
    x = 81,770,426,855.19/415,460.07
  6. Step 6: Final answer
    x = 196,818.98

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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.