Home / 230,711.10-346,066.65-131,178.30

Finding the Fourth Proportional to 230,711.10, 346,066.65 and 131,178.30

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Solution

The fourth proportional to 230,711.10, 346,066.65 and 131,178.30 is: 196,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,711.10 : 346,066.65 = 131,178.30 : x
  2. Step 2: Convert to fraction form
    230,711.10/346,066.65 = 131,178.30/x
  3. Step 3: Cross multiply
    230,711.10x = 346,066.65 × 131,178.30
  4. Step 4: Simplify right side
    230,711.10x = 45,396,434,833.70
  5. Step 5: Solve for x
    x = 45,396,434,833.70/230,711.10
  6. Step 6: Final answer
    x = 196,767.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.