Home / 148,043.45-204,301.58-80,061.72

Finding the Fourth Proportional to 148,043.45, 204,301.58 and 80,061.72

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Solution

The fourth proportional to 148,043.45, 204,301.58 and 80,061.72 is: 110,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,043.45 : 204,301.58 = 80,061.72 : x
  2. Step 2: Convert to fraction form
    148,043.45/204,301.58 = 80,061.72/x
  3. Step 3: Cross multiply
    148,043.45x = 204,301.58 × 80,061.72
  4. Step 4: Simplify right side
    148,043.45x = 16,356,735,493.21
  5. Step 5: Solve for x
    x = 16,356,735,493.21/148,043.45
  6. Step 6: Final answer
    x = 110,486.05

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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.