Home / 110,954.40-166,237.20-91,125.60

Finding the Fourth Proportional to 110,954.40, 166,237.20 and 91,125.60

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Solution

The fourth proportional to 110,954.40, 166,237.20 and 91,125.60 is: 136,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,954.40 : 166,237.20 = 91,125.60 : x
  2. Step 2: Convert to fraction form
    110,954.40/166,237.20 = 91,125.60/x
  3. Step 3: Cross multiply
    110,954.40x = 166,237.20 × 91,125.60
  4. Step 4: Simplify right side
    110,954.40x = 15,148,464,592.32
  5. Step 5: Solve for x
    x = 15,148,464,592.32/110,954.40
  6. Step 6: Final answer
    x = 136,528.74

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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.