Home / 188,528.20-260,162.28-103,644.64

Finding the Fourth Proportional to 188,528.20, 260,162.28 and 103,644.64

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Solution

The fourth proportional to 188,528.20, 260,162.28 and 103,644.64 is: 143,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,528.20 : 260,162.28 = 103,644.64 : x
  2. Step 2: Convert to fraction form
    188,528.20/260,162.28 = 103,644.64/x
  3. Step 3: Cross multiply
    188,528.20x = 260,162.28 × 103,644.64
  4. Step 4: Simplify right side
    188,528.20x = 26,964,425,852.18
  5. Step 5: Solve for x
    x = 26,964,425,852.18/188,528.20
  6. Step 6: Final answer
    x = 143,025.96

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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.