Home / 119,331.03-178,949.67-43,411.53

Finding the Fourth Proportional to 119,331.03, 178,949.67 and 43,411.53

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Solution

The fourth proportional to 119,331.03, 178,949.67 and 43,411.53 is: 65,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,331.03 : 178,949.67 = 43,411.53 : x
  2. Step 2: Convert to fraction form
    119,331.03/178,949.67 = 43,411.53/x
  3. Step 3: Cross multiply
    119,331.03x = 178,949.67 × 43,411.53
  4. Step 4: Simplify right side
    119,331.03x = 7,768,478,967.70
  5. Step 5: Solve for x
    x = 7,768,478,967.70/119,331.03
  6. Step 6: Final answer
    x = 65,100.24

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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.