Home / 195,039.92-292,533.96-76,679.48

Finding the Fourth Proportional to 195,039.92, 292,533.96 and 76,679.48

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Solution

The fourth proportional to 195,039.92, 292,533.96 and 76,679.48 is: 115,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,039.92 : 292,533.96 = 76,679.48 : x
  2. Step 2: Convert to fraction form
    195,039.92/292,533.96 = 76,679.48/x
  3. Step 3: Cross multiply
    195,039.92x = 292,533.96 × 76,679.48
  4. Step 4: Simplify right side
    195,039.92x = 22,431,351,935.14
  5. Step 5: Solve for x
    x = 22,431,351,935.14/195,039.92
  6. Step 6: Final answer
    x = 115,009.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.