Home / 119,317.53-178,963.98-40,429.71

Finding the Fourth Proportional to 119,317.53, 178,963.98 and 40,429.71

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Solution

The fourth proportional to 119,317.53, 178,963.98 and 40,429.71 is: 60,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,317.53 : 178,963.98 = 40,429.71 : x
  2. Step 2: Convert to fraction form
    119,317.53/178,963.98 = 40,429.71/x
  3. Step 3: Cross multiply
    119,317.53x = 178,963.98 × 40,429.71
  4. Step 4: Simplify right side
    119,317.53x = 7,235,461,811.85
  5. Step 5: Solve for x
    x = 7,235,461,811.85/119,317.53
  6. Step 6: Final answer
    x = 60,640.39

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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.