Home / 170,493.12-235,261.46-109,211.36

Finding the Fourth Proportional to 170,493.12, 235,261.46 and 109,211.36

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Solution

The fourth proportional to 170,493.12, 235,261.46 and 109,211.36 is: 150,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,493.12 : 235,261.46 = 109,211.36 : x
  2. Step 2: Convert to fraction form
    170,493.12/235,261.46 = 109,211.36/x
  3. Step 3: Cross multiply
    170,493.12x = 235,261.46 × 109,211.36
  4. Step 4: Simplify right side
    170,493.12x = 25,693,223,098.91
  5. Step 5: Solve for x
    x = 25,693,223,098.91/170,493.12
  6. Step 6: Final answer
    x = 150,699.47

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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.