Home / 415,457.06-623,269.42-131,192.01

Finding the Fourth Proportional to 415,457.06, 623,269.42 and 131,192.01

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Solution

The fourth proportional to 415,457.06, 623,269.42 and 131,192.01 is: 196,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,457.06 : 623,269.42 = 131,192.01 : x
  2. Step 2: Convert to fraction form
    415,457.06/623,269.42 = 131,192.01/x
  3. Step 3: Cross multiply
    415,457.06x = 623,269.42 × 131,192.01
  4. Step 4: Simplify right side
    415,457.06x = 81,767,967,653.35
  5. Step 5: Solve for x
    x = 81,767,967,653.35/415,457.06
  6. Step 6: Final answer
    x = 196,814.49

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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.