Home / 207,943.60-287,039.94-161,912.24

Finding the Fourth Proportional to 207,943.60, 287,039.94 and 161,912.24

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Solution

The fourth proportional to 207,943.60, 287,039.94 and 161,912.24 is: 223,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,943.60 : 287,039.94 = 161,912.24 : x
  2. Step 2: Convert to fraction form
    207,943.60/287,039.94 = 161,912.24/x
  3. Step 3: Cross multiply
    207,943.60x = 287,039.94 × 161,912.24
  4. Step 4: Simplify right side
    207,943.60x = 46,475,279,654.87
  5. Step 5: Solve for x
    x = 46,475,279,654.87/207,943.60
  6. Step 6: Final answer
    x = 223,499.45

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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.