Home / 189,329.88-261,276.12-104,446.92

Finding the Fourth Proportional to 189,329.88, 261,276.12 and 104,446.92

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Solution

The fourth proportional to 189,329.88, 261,276.12 and 104,446.92 is: 144,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,329.88 : 261,276.12 = 104,446.92 : x
  2. Step 2: Convert to fraction form
    189,329.88/261,276.12 = 104,446.92/x
  3. Step 3: Cross multiply
    189,329.88x = 261,276.12 × 104,446.92
  4. Step 4: Simplify right side
    189,329.88x = 27,289,486,003.55
  5. Step 5: Solve for x
    x = 27,289,486,003.55/189,329.88
  6. Step 6: Final answer
    x = 144,137.24

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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.