Home / 149,944.59-206,890.20-86,282.39

Finding the Fourth Proportional to 149,944.59, 206,890.20 and 86,282.39

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Solution

The fourth proportional to 149,944.59, 206,890.20 and 86,282.39 is: 119,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,944.59 : 206,890.20 = 86,282.39 : x
  2. Step 2: Convert to fraction form
    149,944.59/206,890.20 = 86,282.39/x
  3. Step 3: Cross multiply
    149,944.59x = 206,890.20 × 86,282.39
  4. Step 4: Simplify right side
    149,944.59x = 17,850,980,858.92
  5. Step 5: Solve for x
    x = 17,850,980,858.92/149,944.59
  6. Step 6: Final answer
    x = 119,050.51

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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.