Home / 129,220.44-178,298.07-75,495.08

Finding the Fourth Proportional to 129,220.44, 178,298.07 and 75,495.08

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Solution

The fourth proportional to 129,220.44, 178,298.07 and 75,495.08 is: 104,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,220.44 : 178,298.07 = 75,495.08 : x
  2. Step 2: Convert to fraction form
    129,220.44/178,298.07 = 75,495.08/x
  3. Step 3: Cross multiply
    129,220.44x = 178,298.07 × 75,495.08
  4. Step 4: Simplify right side
    129,220.44x = 13,460,627,058.50
  5. Step 5: Solve for x
    x = 13,460,627,058.50/129,220.44
  6. Step 6: Final answer
    x = 104,167.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.