Home / 119,259.81-178,921.97-40,374.04

Finding the Fourth Proportional to 119,259.81, 178,921.97 and 40,374.04

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Solution

The fourth proportional to 119,259.81, 178,921.97 and 40,374.04 is: 60,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,259.81 : 178,921.97 = 40,374.04 : x
  2. Step 2: Convert to fraction form
    119,259.81/178,921.97 = 40,374.04/x
  3. Step 3: Cross multiply
    119,259.81x = 178,921.97 × 40,374.04
  4. Step 4: Simplify right side
    119,259.81x = 7,223,802,773.66
  5. Step 5: Solve for x
    x = 7,223,802,773.66/119,259.81
  6. Step 6: Final answer
    x = 60,571.98

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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.