Home / 189,334.64-261,281.79-104,451.70

Finding the Fourth Proportional to 189,334.64, 261,281.79 and 104,451.70

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Solution

The fourth proportional to 189,334.64, 261,281.79 and 104,451.70 is: 144,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,334.64 : 261,281.79 = 104,451.70 : x
  2. Step 2: Convert to fraction form
    189,334.64/261,281.79 = 104,451.70/x
  3. Step 3: Cross multiply
    189,334.64x = 261,281.79 × 104,451.70
  4. Step 4: Simplify right side
    189,334.64x = 27,291,327,144.54
  5. Step 5: Solve for x
    x = 27,291,327,144.54/189,334.64
  6. Step 6: Final answer
    x = 144,143.34

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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.