Home / 186,311.10-257,105.24-108,800.06

Finding the Fourth Proportional to 186,311.10, 257,105.24 and 108,800.06

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Solution

The fourth proportional to 186,311.10, 257,105.24 and 108,800.06 is: 150,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,311.10 : 257,105.24 = 108,800.06 : x
  2. Step 2: Convert to fraction form
    186,311.10/257,105.24 = 108,800.06/x
  3. Step 3: Cross multiply
    186,311.10x = 257,105.24 × 108,800.06
  4. Step 4: Simplify right side
    186,311.10x = 27,973,065,538.31
  5. Step 5: Solve for x
    x = 27,973,065,538.31/186,311.10
  6. Step 6: Final answer
    x = 150,141.70

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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.