Home / 190,581.36-285,670.36-64,101.20

Finding the Fourth Proportional to 190,581.36, 285,670.36 and 64,101.20

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Solution

The fourth proportional to 190,581.36, 285,670.36 and 64,101.20 is: 96,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,581.36 : 285,670.36 = 64,101.20 : x
  2. Step 2: Convert to fraction form
    190,581.36/285,670.36 = 64,101.20/x
  3. Step 3: Cross multiply
    190,581.36x = 285,670.36 × 64,101.20
  4. Step 4: Simplify right side
    190,581.36x = 18,311,812,880.43
  5. Step 5: Solve for x
    x = 18,311,812,880.43/190,581.36
  6. Step 6: Final answer
    x = 96,083.97

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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.