Home / 190,861.32-285,980.22-116,004.36

Finding the Fourth Proportional to 190,861.32, 285,980.22 and 116,004.36

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Solution

The fourth proportional to 190,861.32, 285,980.22 and 116,004.36 is: 173,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,861.32 : 285,980.22 = 116,004.36 : x
  2. Step 2: Convert to fraction form
    190,861.32/285,980.22 = 116,004.36/x
  3. Step 3: Cross multiply
    190,861.32x = 285,980.22 × 116,004.36
  4. Step 4: Simplify right side
    190,861.32x = 33,174,952,393.76
  5. Step 5: Solve for x
    x = 33,174,952,393.76/190,861.32
  6. Step 6: Final answer
    x = 173,817.05

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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.