Home / 99,725.04-149,003.53-96,236.78

Finding the Fourth Proportional to 99,725.04, 149,003.53 and 96,236.78

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Solution

The fourth proportional to 99,725.04, 149,003.53 and 96,236.78 is: 143,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,725.04 : 149,003.53 = 96,236.78 : x
  2. Step 2: Convert to fraction form
    99,725.04/149,003.53 = 96,236.78/x
  3. Step 3: Cross multiply
    99,725.04x = 149,003.53 × 96,236.78
  4. Step 4: Simplify right side
    99,725.04x = 14,339,618,950.22
  5. Step 5: Solve for x
    x = 14,339,618,950.22/99,725.04
  6. Step 6: Final answer
    x = 143,791.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.