Home / 102,338.64-153,528.66-43,174.44

Finding the Fourth Proportional to 102,338.64, 153,528.66 and 43,174.44

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Solution

The fourth proportional to 102,338.64, 153,528.66 and 43,174.44 is: 64,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,338.64 : 153,528.66 = 43,174.44 : x
  2. Step 2: Convert to fraction form
    102,338.64/153,528.66 = 43,174.44/x
  3. Step 3: Cross multiply
    102,338.64x = 153,528.66 × 43,174.44
  4. Step 4: Simplify right side
    102,338.64x = 6,628,513,919.45
  5. Step 5: Solve for x
    x = 6,628,513,919.45/102,338.64
  6. Step 6: Final answer
    x = 64,770.39

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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.