Home / 112,277.18-154,968.50-74,043.60

Finding the Fourth Proportional to 112,277.18, 154,968.50 and 74,043.60

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Solution

The fourth proportional to 112,277.18, 154,968.50 and 74,043.60 is: 102,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277.18 : 154,968.50 = 74,043.60 : x
  2. Step 2: Convert to fraction form
    112,277.18/154,968.50 = 74,043.60/x
  3. Step 3: Cross multiply
    112,277.18x = 154,968.50 × 74,043.60
  4. Step 4: Simplify right side
    112,277.18x = 11,474,425,626.60
  5. Step 5: Solve for x
    x = 11,474,425,626.60/112,277.18
  6. Step 6: Final answer
    x = 102,197.31

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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.