Home / 189,593.84-261,636.36-104,708.72

Finding the Fourth Proportional to 189,593.84, 261,636.36 and 104,708.72

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Solution

The fourth proportional to 189,593.84, 261,636.36 and 104,708.72 is: 144,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,593.84 : 261,636.36 = 104,708.72 : x
  2. Step 2: Convert to fraction form
    189,593.84/261,636.36 = 104,708.72/x
  3. Step 3: Cross multiply
    189,593.84x = 261,636.36 × 104,708.72
  4. Step 4: Simplify right side
    189,593.84x = 27,395,608,361.06
  5. Step 5: Solve for x
    x = 27,395,608,361.06/189,593.84
  6. Step 6: Final answer
    x = 144,496.30

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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.