Home / 190,930.25-286,404.93-48,776.61

Finding the Fourth Proportional to 190,930.25, 286,404.93 and 48,776.61

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Solution

The fourth proportional to 190,930.25, 286,404.93 and 48,776.61 is: 73,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.25 : 286,404.93 = 48,776.61 : x
  2. Step 2: Convert to fraction form
    190,930.25/286,404.93 = 48,776.61/x
  3. Step 3: Cross multiply
    190,930.25x = 286,404.93 × 48,776.61
  4. Step 4: Simplify right side
    190,930.25x = 13,969,861,572.69
  5. Step 5: Solve for x
    x = 13,969,861,572.69/190,930.25
  6. Step 6: Final answer
    x = 73,167.36

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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.