Home / 188,429.28-260,029.20-103,546.24

Finding the Fourth Proportional to 188,429.28, 260,029.20 and 103,546.24

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Solution

The fourth proportional to 188,429.28, 260,029.20 and 103,546.24 is: 142,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,429.28 : 260,029.20 = 103,546.24 : x
  2. Step 2: Convert to fraction form
    188,429.28/260,029.20 = 103,546.24/x
  3. Step 3: Cross multiply
    188,429.28x = 260,029.20 × 103,546.24
  4. Step 4: Simplify right side
    188,429.28x = 26,925,045,950.21
  5. Step 5: Solve for x
    x = 26,925,045,950.21/188,429.28
  6. Step 6: Final answer
    x = 142,892.05

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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.