Home / 148,457.21-204,881.81-84,793.64

Finding the Fourth Proportional to 148,457.21, 204,881.81 and 84,793.64

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Solution

The fourth proportional to 148,457.21, 204,881.81 and 84,793.64 is: 117,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,457.21 : 204,881.81 = 84,793.64 : x
  2. Step 2: Convert to fraction form
    148,457.21/204,881.81 = 84,793.64/x
  3. Step 3: Cross multiply
    148,457.21x = 204,881.81 × 84,793.64
  4. Step 4: Simplify right side
    148,457.21x = 17,372,672,991.31
  5. Step 5: Solve for x
    x = 17,372,672,991.31/148,457.21
  6. Step 6: Final answer
    x = 117,021.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.