Home / 189,385.84-261,344.82-104,501.80

Finding the Fourth Proportional to 189,385.84, 261,344.82 and 104,501.80

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Solution

The fourth proportional to 189,385.84, 261,344.82 and 104,501.80 is: 144,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,385.84 : 261,344.82 = 104,501.80 : x
  2. Step 2: Convert to fraction form
    189,385.84/261,344.82 = 104,501.80/x
  3. Step 3: Cross multiply
    189,385.84x = 261,344.82 × 104,501.80
  4. Step 4: Simplify right side
    189,385.84x = 27,311,004,110.68
  5. Step 5: Solve for x
    x = 27,311,004,110.68/189,385.84
  6. Step 6: Final answer
    x = 144,208.27

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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.