Home / 148,465.38-204,882.78-80,482.48

Finding the Fourth Proportional to 148,465.38, 204,882.78 and 80,482.48

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Solution

The fourth proportional to 148,465.38, 204,882.78 and 80,482.48 is: 111,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,465.38 : 204,882.78 = 80,482.48 : x
  2. Step 2: Convert to fraction form
    148,465.38/204,882.78 = 80,482.48/x
  3. Step 3: Cross multiply
    148,465.38x = 204,882.78 × 80,482.48
  4. Step 4: Simplify right side
    148,465.38x = 16,489,474,243.69
  5. Step 5: Solve for x
    x = 16,489,474,243.69/148,465.38
  6. Step 6: Final answer
    x = 111,066.12

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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.