Home / 99,166.88-136,734.72-73,972.64

Finding the Fourth Proportional to 99,166.88, 136,734.72 and 73,972.64

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Solution

The fourth proportional to 99,166.88, 136,734.72 and 73,972.64 is: 101,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,166.88 : 136,734.72 = 73,972.64 : x
  2. Step 2: Convert to fraction form
    99,166.88/136,734.72 = 73,972.64/x
  3. Step 3: Cross multiply
    99,166.88x = 136,734.72 × 73,972.64
  4. Step 4: Simplify right side
    99,166.88x = 10,114,628,218.06
  5. Step 5: Solve for x
    x = 10,114,628,218.06/99,166.88
  6. Step 6: Final answer
    x = 101,996.03

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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.