Home / 170,824.26-235,719.60-99,190.32

Finding the Fourth Proportional to 170,824.26, 235,719.60 and 99,190.32

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Solution

The fourth proportional to 170,824.26, 235,719.60 and 99,190.32 is: 136,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,824.26 : 235,719.60 = 99,190.32 : x
  2. Step 2: Convert to fraction form
    170,824.26/235,719.60 = 99,190.32/x
  3. Step 3: Cross multiply
    170,824.26x = 235,719.60 × 99,190.32
  4. Step 4: Simplify right side
    170,824.26x = 23,381,102,554.27
  5. Step 5: Solve for x
    x = 23,381,102,554.27/170,824.26
  6. Step 6: Final answer
    x = 136,872.26

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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.