Home / 148,748.43-205,274.34-80,766.03

Finding the Fourth Proportional to 148,748.43, 205,274.34 and 80,766.03

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Solution

The fourth proportional to 148,748.43, 205,274.34 and 80,766.03 is: 111,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,748.43 : 205,274.34 = 80,766.03 : x
  2. Step 2: Convert to fraction form
    148,748.43/205,274.34 = 80,766.03/x
  3. Step 3: Cross multiply
    148,748.43x = 205,274.34 × 80,766.03
  4. Step 4: Simplify right side
    148,748.43x = 16,579,193,502.67
  5. Step 5: Solve for x
    x = 16,579,193,502.67/148,748.43
  6. Step 6: Final answer
    x = 111,457.94

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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.