Home / 251,890.39-347,605.32-142,993.79

Finding the Fourth Proportional to 251,890.39, 347,605.32 and 142,993.79

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Solution

The fourth proportional to 251,890.39, 347,605.32 and 142,993.79 is: 197,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,890.39 : 347,605.32 = 142,993.79 : x
  2. Step 2: Convert to fraction form
    251,890.39/347,605.32 = 142,993.79/x
  3. Step 3: Cross multiply
    251,890.39x = 347,605.32 × 142,993.79
  4. Step 4: Simplify right side
    251,890.39x = 49,705,402,232.68
  5. Step 5: Solve for x
    x = 49,705,402,232.68/251,890.39
  6. Step 6: Final answer
    x = 197,329.49

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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.