Home / 118,433.36-177,720-43,606.04

Finding the Fourth Proportional to 118,433.36, 177,720 and 43,606.04

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Solution

The fourth proportional to 118,433.36, 177,720 and 43,606.04 is: 65,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,433.36 : 177,720 = 43,606.04 : x
  2. Step 2: Convert to fraction form
    118,433.36/177,720 = 43,606.04/x
  3. Step 3: Cross multiply
    118,433.36x = 177,720 × 43,606.04
  4. Step 4: Simplify right side
    118,433.36x = 7,749,665,428.80
  5. Step 5: Solve for x
    x = 7,749,665,428.80/118,433.36
  6. Step 6: Final answer
    x = 65,434.82

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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.