Home / 251,341.34-346,842.24-138,163.28

Finding the Fourth Proportional to 251,341.34, 346,842.24 and 138,163.28

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Solution

The fourth proportional to 251,341.34, 346,842.24 and 138,163.28 is: 190,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,341.34 : 346,842.24 = 138,163.28 : x
  2. Step 2: Convert to fraction form
    251,341.34/346,842.24 = 138,163.28/x
  3. Step 3: Cross multiply
    251,341.34x = 346,842.24 × 138,163.28
  4. Step 4: Simplify right side
    251,341.34x = 47,920,861,520.95
  5. Step 5: Solve for x
    x = 47,920,861,520.95/251,341.34
  6. Step 6: Final answer
    x = 190,660.48

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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.