Home / 190,260.41-285,333.65-119,290.89

Finding the Fourth Proportional to 190,260.41, 285,333.65 and 119,290.89

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Solution

The fourth proportional to 190,260.41, 285,333.65 and 119,290.89 is: 178,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,260.41 : 285,333.65 = 119,290.89 : x
  2. Step 2: Convert to fraction form
    190,260.41/285,333.65 = 119,290.89/x
  3. Step 3: Cross multiply
    190,260.41x = 285,333.65 × 119,290.89
  4. Step 4: Simplify right side
    190,260.41x = 34,037,705,353.68
  5. Step 5: Solve for x
    x = 34,037,705,353.68/190,260.41
  6. Step 6: Final answer
    x = 178,900.62

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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.