Home / 102,322.05-153,503.91-43,157.94

Finding the Fourth Proportional to 102,322.05, 153,503.91 and 43,157.94

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Solution

The fourth proportional to 102,322.05, 153,503.91 and 43,157.94 is: 64,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,322.05 : 153,503.91 = 43,157.94 : x
  2. Step 2: Convert to fraction form
    102,322.05/153,503.91 = 43,157.94/x
  3. Step 3: Cross multiply
    102,322.05x = 153,503.91 × 43,157.94
  4. Step 4: Simplify right side
    102,322.05x = 6,624,912,537.55
  5. Step 5: Solve for x
    x = 6,624,912,537.55/102,322.05
  6. Step 6: Final answer
    x = 64,745.70

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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.