Home / 147,500.57-203,550.34-83,850.63

Finding the Fourth Proportional to 147,500.57, 203,550.34 and 83,850.63

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Solution

The fourth proportional to 147,500.57, 203,550.34 and 83,850.63 is: 115,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.57 : 203,550.34 = 83,850.63 : x
  2. Step 2: Convert to fraction form
    147,500.57/203,550.34 = 83,850.63/x
  3. Step 3: Cross multiply
    147,500.57x = 203,550.34 × 83,850.63
  4. Step 4: Simplify right side
    147,500.57x = 17,067,824,245.71
  5. Step 5: Solve for x
    x = 17,067,824,245.71/147,500.57
  6. Step 6: Final answer
    x = 115,713.62

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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.