Home / 215,365.82-323,196.54-75,124.46

Finding the Fourth Proportional to 215,365.82, 323,196.54 and 75,124.46

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Solution

The fourth proportional to 215,365.82, 323,196.54 and 75,124.46 is: 112,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,365.82 : 323,196.54 = 75,124.46 : x
  2. Step 2: Convert to fraction form
    215,365.82/323,196.54 = 75,124.46/x
  3. Step 3: Cross multiply
    215,365.82x = 323,196.54 × 75,124.46
  4. Step 4: Simplify right side
    215,365.82x = 24,279,965,541.37
  5. Step 5: Solve for x
    x = 24,279,965,541.37/215,365.82
  6. Step 6: Final answer
    x = 112,738.25

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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.