Home / 186,228.20-257,022.61-109,722.85

Finding the Fourth Proportional to 186,228.20, 257,022.61 and 109,722.85

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Solution

The fourth proportional to 186,228.20, 257,022.61 and 109,722.85 is: 151,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,228.20 : 257,022.61 = 109,722.85 : x
  2. Step 2: Convert to fraction form
    186,228.20/257,022.61 = 109,722.85/x
  3. Step 3: Cross multiply
    186,228.20x = 257,022.61 × 109,722.85
  4. Step 4: Simplify right side
    186,228.20x = 28,201,252,366.77
  5. Step 5: Solve for x
    x = 28,201,252,366.77/186,228.20
  6. Step 6: Final answer
    x = 151,433.84

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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.