Home / 134,122.56-185,012.16-83,734.08

Finding the Fourth Proportional to 134,122.56, 185,012.16 and 83,734.08

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Solution

The fourth proportional to 134,122.56, 185,012.16 and 83,734.08 is: 115,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,122.56 : 185,012.16 = 83,734.08 : x
  2. Step 2: Convert to fraction form
    134,122.56/185,012.16 = 83,734.08/x
  3. Step 3: Cross multiply
    134,122.56x = 185,012.16 × 83,734.08
  4. Step 4: Simplify right side
    134,122.56x = 15,491,823,006.41
  5. Step 5: Solve for x
    x = 15,491,823,006.41/134,122.56
  6. Step 6: Final answer
    x = 115,504.98

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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.