Home / 190,492.95-285,739.39-64,122.58

Finding the Fourth Proportional to 190,492.95, 285,739.39 and 64,122.58

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Solution

The fourth proportional to 190,492.95, 285,739.39 and 64,122.58 is: 96,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,492.95 : 285,739.39 = 64,122.58 : x
  2. Step 2: Convert to fraction form
    190,492.95/285,739.39 = 64,122.58/x
  3. Step 3: Cross multiply
    190,492.95x = 285,739.39 × 64,122.58
  4. Step 4: Simplify right side
    190,492.95x = 18,322,346,894.43
  5. Step 5: Solve for x
    x = 18,322,346,894.43/190,492.95
  6. Step 6: Final answer
    x = 96,183.86

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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.