Home / 149,623.38-206,484.58-82,559.70

Finding the Fourth Proportional to 149,623.38, 206,484.58 and 82,559.70

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Solution

The fourth proportional to 149,623.38, 206,484.58 and 82,559.70 is: 113,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,623.38 : 206,484.58 = 82,559.70 : x
  2. Step 2: Convert to fraction form
    149,623.38/206,484.58 = 82,559.70/x
  3. Step 3: Cross multiply
    149,623.38x = 206,484.58 × 82,559.70
  4. Step 4: Simplify right side
    149,623.38x = 17,047,303,947.00
  5. Step 5: Solve for x
    x = 17,047,303,947.00/149,623.38
  6. Step 6: Final answer
    x = 113,934.76

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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.