Home / 190,580.36-285,668.86-64,100.20

Finding the Fourth Proportional to 190,580.36, 285,668.86 and 64,100.20

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Solution

The fourth proportional to 190,580.36, 285,668.86 and 64,100.20 is: 96,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,580.36 : 285,668.86 = 64,100.20 : x
  2. Step 2: Convert to fraction form
    190,580.36/285,668.86 = 64,100.20/x
  3. Step 3: Cross multiply
    190,580.36x = 285,668.86 × 64,100.20
  4. Step 4: Simplify right side
    190,580.36x = 18,311,431,059.77
  5. Step 5: Solve for x
    x = 18,311,431,059.77/190,580.36
  6. Step 6: Final answer
    x = 96,082.47

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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.