Home / 119,135.61-178,650.92-55,973.68

Finding the Fourth Proportional to 119,135.61, 178,650.92 and 55,973.68

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Solution

The fourth proportional to 119,135.61, 178,650.92 and 55,973.68 is: 83,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135.61 : 178,650.92 = 55,973.68 : x
  2. Step 2: Convert to fraction form
    119,135.61/178,650.92 = 55,973.68/x
  3. Step 3: Cross multiply
    119,135.61x = 178,650.92 × 55,973.68
  4. Step 4: Simplify right side
    119,135.61x = 9,999,749,427.79
  5. Step 5: Solve for x
    x = 9,999,749,427.79/119,135.61
  6. Step 6: Final answer
    x = 83,935.86

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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.