Home / 111,028.40-166,056.60-99,267.20

Finding the Fourth Proportional to 111,028.40, 166,056.60 and 99,267.20

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Solution

The fourth proportional to 111,028.40, 166,056.60 and 99,267.20 is: 148,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.40 : 166,056.60 = 99,267.20 : x
  2. Step 2: Convert to fraction form
    111,028.40/166,056.60 = 99,267.20/x
  3. Step 3: Cross multiply
    111,028.40x = 166,056.60 × 99,267.20
  4. Step 4: Simplify right side
    111,028.40x = 16,483,973,723.52
  5. Step 5: Solve for x
    x = 16,483,973,723.52/111,028.40
  6. Step 6: Final answer
    x = 148,466.28

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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.