Home / 148,315.84-204,676.20-80,332.54

Finding the Fourth Proportional to 148,315.84, 204,676.20 and 80,332.54

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Solution

The fourth proportional to 148,315.84, 204,676.20 and 80,332.54 is: 110,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,315.84 : 204,676.20 = 80,332.54 : x
  2. Step 2: Convert to fraction form
    148,315.84/204,676.20 = 80,332.54/x
  3. Step 3: Cross multiply
    148,315.84x = 204,676.20 × 80,332.54
  4. Step 4: Simplify right side
    148,315.84x = 16,442,159,023.55
  5. Step 5: Solve for x
    x = 16,442,159,023.55/148,315.84
  6. Step 6: Final answer
    x = 110,859.09

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1.5x scale

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.