Home / 110,942.60-166,592.10-102,756.20

Finding the Fourth Proportional to 110,942.60, 166,592.10 and 102,756.20

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Solution

The fourth proportional to 110,942.60, 166,592.10 and 102,756.20 is: 154,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,942.60 : 166,592.10 = 102,756.20 : x
  2. Step 2: Convert to fraction form
    110,942.60/166,592.10 = 102,756.20/x
  3. Step 3: Cross multiply
    110,942.60x = 166,592.10 × 102,756.20
  4. Step 4: Simplify right side
    110,942.60x = 17,118,371,146.02
  5. Step 5: Solve for x
    x = 17,118,371,146.02/110,942.60
  6. Step 6: Final answer
    x = 154,299.35

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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.