Home / 117,554.20-162,243.12-66,569.56

Finding the Fourth Proportional to 117,554.20, 162,243.12 and 66,569.56

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Solution

The fourth proportional to 117,554.20, 162,243.12 and 66,569.56 is: 91,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.20 : 162,243.12 = 66,569.56 : x
  2. Step 2: Convert to fraction form
    117,554.20/162,243.12 = 66,569.56/x
  3. Step 3: Cross multiply
    117,554.20x = 162,243.12 × 66,569.56
  4. Step 4: Simplify right side
    117,554.20x = 10,800,453,111.43
  5. Step 5: Solve for x
    x = 10,800,453,111.43/117,554.20
  6. Step 6: Final answer
    x = 91,876.37

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1.5x scale

Why These Related Problems?

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