Home / 251,604.45-347,216.90-136,883.75

Finding the Fourth Proportional to 251,604.45, 347,216.90 and 136,883.75

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Solution

The fourth proportional to 251,604.45, 347,216.90 and 136,883.75 is: 188,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,604.45 : 347,216.90 = 136,883.75 : x
  2. Step 2: Convert to fraction form
    251,604.45/347,216.90 = 136,883.75/x
  3. Step 3: Cross multiply
    251,604.45x = 347,216.90 × 136,883.75
  4. Step 4: Simplify right side
    251,604.45x = 47,528,348,914.87
  5. Step 5: Solve for x
    x = 47,528,348,914.87/251,604.45
  6. Step 6: Final answer
    x = 188,901.07

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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.