Home / 193,564.98-290,457.90-75,220.92

Finding the Fourth Proportional to 193,564.98, 290,457.90 and 75,220.92

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Solution

The fourth proportional to 193,564.98, 290,457.90 and 75,220.92 is: 112,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,564.98 : 290,457.90 = 75,220.92 : x
  2. Step 2: Convert to fraction form
    193,564.98/290,457.90 = 75,220.92/x
  3. Step 3: Cross multiply
    193,564.98x = 290,457.90 × 75,220.92
  4. Step 4: Simplify right side
    193,564.98x = 21,848,510,459.27
  5. Step 5: Solve for x
    x = 21,848,510,459.27/193,564.98
  6. Step 6: Final answer
    x = 112,874.29

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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.