Home / 189,512.28-261,527.12-104,629.35

Finding the Fourth Proportional to 189,512.28, 261,527.12 and 104,629.35

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Solution

The fourth proportional to 189,512.28, 261,527.12 and 104,629.35 is: 144,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,512.28 : 261,527.12 = 104,629.35 : x
  2. Step 2: Convert to fraction form
    189,512.28/261,527.12 = 104,629.35/x
  3. Step 3: Cross multiply
    189,512.28x = 261,527.12 × 104,629.35
  4. Step 4: Simplify right side
    189,512.28x = 27,363,412,572.97
  5. Step 5: Solve for x
    x = 27,363,412,572.97/189,512.28
  6. Step 6: Final answer
    x = 144,388.60

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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.