Home / 183,947.70-253,939.68-120,382.62

Finding the Fourth Proportional to 183,947.70, 253,939.68 and 120,382.62

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Solution

The fourth proportional to 183,947.70, 253,939.68 and 120,382.62 is: 166,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,947.70 : 253,939.68 = 120,382.62 : x
  2. Step 2: Convert to fraction form
    183,947.70/253,939.68 = 120,382.62/x
  3. Step 3: Cross multiply
    183,947.70x = 253,939.68 × 120,382.62
  4. Step 4: Simplify right side
    183,947.70x = 30,569,924,000.36
  5. Step 5: Solve for x
    x = 30,569,924,000.36/183,947.70
  6. Step 6: Final answer
    x = 166,188.13

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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.