Home / 190,051.98-285,160.65-119,137.14

Finding the Fourth Proportional to 190,051.98, 285,160.65 and 119,137.14

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Solution

The fourth proportional to 190,051.98, 285,160.65 and 119,137.14 is: 178,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,051.98 : 285,160.65 = 119,137.14 : x
  2. Step 2: Convert to fraction form
    190,051.98/285,160.65 = 119,137.14/x
  3. Step 3: Cross multiply
    190,051.98x = 285,160.65 × 119,137.14
  4. Step 4: Simplify right side
    190,051.98x = 33,973,224,281.54
  5. Step 5: Solve for x
    x = 33,973,224,281.54/190,051.98
  6. Step 6: Final answer
    x = 178,757.54

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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.