Home / 119,092.26-178,406.20-66,342.90

Finding the Fourth Proportional to 119,092.26, 178,406.20 and 66,342.90

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Solution

The fourth proportional to 119,092.26, 178,406.20 and 66,342.90 is: 99,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,092.26 : 178,406.20 = 66,342.90 : x
  2. Step 2: Convert to fraction form
    119,092.26/178,406.20 = 66,342.90/x
  3. Step 3: Cross multiply
    119,092.26x = 178,406.20 × 66,342.90
  4. Step 4: Simplify right side
    119,092.26x = 11,835,984,685.98
  5. Step 5: Solve for x
    x = 11,835,984,685.98/119,092.26
  6. Step 6: Final answer
    x = 99,385.00

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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.