Home / 253,634.17-380,458.25-76,141.24

Finding the Fourth Proportional to 253,634.17, 380,458.25 and 76,141.24

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Solution

The fourth proportional to 253,634.17, 380,458.25 and 76,141.24 is: 114,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,634.17 : 380,458.25 = 76,141.24 : x
  2. Step 2: Convert to fraction form
    253,634.17/380,458.25 = 76,141.24/x
  3. Step 3: Cross multiply
    253,634.17x = 380,458.25 × 76,141.24
  4. Step 4: Simplify right side
    253,634.17x = 28,968,562,923.23
  5. Step 5: Solve for x
    x = 28,968,562,923.23/253,634.17
  6. Step 6: Final answer
    x = 114,213.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.