Home / 188,050.28-259,446.27-107,420.72

Finding the Fourth Proportional to 188,050.28, 259,446.27 and 107,420.72

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Solution

The fourth proportional to 188,050.28, 259,446.27 and 107,420.72 is: 148,204.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,050.28 : 259,446.27 = 107,420.72 : x
  2. Step 2: Convert to fraction form
    188,050.28/259,446.27 = 107,420.72/x
  3. Step 3: Cross multiply
    188,050.28x = 259,446.27 × 107,420.72
  4. Step 4: Simplify right side
    188,050.28x = 27,869,903,323.95
  5. Step 5: Solve for x
    x = 27,869,903,323.95/188,050.28
  6. Step 6: Final answer
    x = 148,204.53

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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.