Home / 113,178.26-169,767.36-28,938.60

Finding the Fourth Proportional to 113,178.26, 169,767.36 and 28,938.60

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Solution

The fourth proportional to 113,178.26, 169,767.36 and 28,938.60 is: 43,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,178.26 : 169,767.36 = 28,938.60 : x
  2. Step 2: Convert to fraction form
    113,178.26/169,767.36 = 28,938.60/x
  3. Step 3: Cross multiply
    113,178.26x = 169,767.36 × 28,938.60
  4. Step 4: Simplify right side
    113,178.26x = 4,912,829,724.10
  5. Step 5: Solve for x
    x = 4,912,829,724.10/113,178.26
  6. Step 6: Final answer
    x = 43,407.89

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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.