Home / 151,579.96-209,179.26-83,599.70

Finding the Fourth Proportional to 151,579.96, 209,179.26 and 83,599.70

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Solution

The fourth proportional to 151,579.96, 209,179.26 and 83,599.70 is: 115,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,579.96 : 209,179.26 = 83,599.70 : x
  2. Step 2: Convert to fraction form
    151,579.96/209,179.26 = 83,599.70/x
  3. Step 3: Cross multiply
    151,579.96x = 209,179.26 × 83,599.70
  4. Step 4: Simplify right side
    151,579.96x = 17,487,322,336.33
  5. Step 5: Solve for x
    x = 17,487,322,336.33/151,579.96
  6. Step 6: Final answer
    x = 115,366.98

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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.