Home / 171,052.05-236,063.39-99,431.85

Finding the Fourth Proportional to 171,052.05, 236,063.39 and 99,431.85

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Solution

The fourth proportional to 171,052.05, 236,063.39 and 99,431.85 is: 137,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,052.05 : 236,063.39 = 99,431.85 : x
  2. Step 2: Convert to fraction form
    171,052.05/236,063.39 = 99,431.85/x
  3. Step 3: Cross multiply
    171,052.05x = 236,063.39 × 99,431.85
  4. Step 4: Simplify right side
    171,052.05x = 23,472,219,087.81
  5. Step 5: Solve for x
    x = 23,472,219,087.81/171,052.05
  6. Step 6: Final answer
    x = 137,222.67

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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.