Home / 207,559.32-312,614.73-192,957.72

Finding the Fourth Proportional to 207,559.32, 312,614.73 and 192,957.72

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Solution

The fourth proportional to 207,559.32, 312,614.73 and 192,957.72 is: 290,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,559.32 : 312,614.73 = 192,957.72 : x
  2. Step 2: Convert to fraction form
    207,559.32/312,614.73 = 192,957.72/x
  3. Step 3: Cross multiply
    207,559.32x = 312,614.73 × 192,957.72
  4. Step 4: Simplify right side
    207,559.32x = 60,321,425,539.22
  5. Step 5: Solve for x
    x = 60,321,425,539.22/207,559.32
  6. Step 6: Final answer
    x = 290,622.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.