Home / 119,021.90-178,532.66-48,851.78

Finding the Fourth Proportional to 119,021.90, 178,532.66 and 48,851.78

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Solution

The fourth proportional to 119,021.90, 178,532.66 and 48,851.78 is: 73,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,021.90 : 178,532.66 = 48,851.78 : x
  2. Step 2: Convert to fraction form
    119,021.90/178,532.66 = 48,851.78/x
  3. Step 3: Cross multiply
    119,021.90x = 178,532.66 × 48,851.78
  4. Step 4: Simplify right side
    119,021.90x = 8,721,638,229.13
  5. Step 5: Solve for x
    x = 8,721,638,229.13/119,021.90
  6. Step 6: Final answer
    x = 73,277.59

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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.