Home / 117,428.10-176,173.90-83,736.66

Finding the Fourth Proportional to 117,428.10, 176,173.90 and 83,736.66

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Solution

The fourth proportional to 117,428.10, 176,173.90 and 83,736.66 is: 125,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,428.10 : 176,173.90 = 83,736.66 : x
  2. Step 2: Convert to fraction form
    117,428.10/176,173.90 = 83,736.66/x
  3. Step 3: Cross multiply
    117,428.10x = 176,173.90 × 83,736.66
  4. Step 4: Simplify right side
    117,428.10x = 14,752,213,965.17
  5. Step 5: Solve for x
    x = 14,752,213,965.17/117,428.10
  6. Step 6: Final answer
    x = 125,627.63

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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.