Home / 190,651.56-263,090.35-104,608.40

Finding the Fourth Proportional to 190,651.56, 263,090.35 and 104,608.40

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Solution

The fourth proportional to 190,651.56, 263,090.35 and 104,608.40 is: 144,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.56 : 263,090.35 = 104,608.40 : x
  2. Step 2: Convert to fraction form
    190,651.56/263,090.35 = 104,608.40/x
  3. Step 3: Cross multiply
    190,651.56x = 263,090.35 × 104,608.40
  4. Step 4: Simplify right side
    190,651.56x = 27,521,461,898.28
  5. Step 5: Solve for x
    x = 27,521,461,898.28/190,651.56
  6. Step 6: Final answer
    x = 144,354.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.