Home / 253,625.12-349,998.30-140,445.44

Finding the Fourth Proportional to 253,625.12, 349,998.30 and 140,445.44

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Solution

The fourth proportional to 253,625.12, 349,998.30 and 140,445.44 is: 193,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,625.12 : 349,998.30 = 140,445.44 : x
  2. Step 2: Convert to fraction form
    253,625.12/349,998.30 = 140,445.44/x
  3. Step 3: Cross multiply
    253,625.12x = 349,998.30 × 140,445.44
  4. Step 4: Simplify right side
    253,625.12x = 49,155,665,242.75
  5. Step 5: Solve for x
    x = 49,155,665,242.75/253,625.12
  6. Step 6: Final answer
    x = 193,812.29

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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.