Home / 312,824.36-469,164.66-186,500.36

Finding the Fourth Proportional to 312,824.36, 469,164.66 and 186,500.36

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Solution

The fourth proportional to 312,824.36, 469,164.66 and 186,500.36 is: 279,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,824.36 : 469,164.66 = 186,500.36 : x
  2. Step 2: Convert to fraction form
    312,824.36/469,164.66 = 186,500.36/x
  3. Step 3: Cross multiply
    312,824.36x = 469,164.66 × 186,500.36
  4. Step 4: Simplify right side
    312,824.36x = 87,499,377,989.28
  5. Step 5: Solve for x
    x = 87,499,377,989.28/312,824.36
  6. Step 6: Final answer
    x = 279,707.69

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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.