Home / 111,277.20-166,883.40-61,381.20

Finding the Fourth Proportional to 111,277.20, 166,883.40 and 61,381.20

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Solution

The fourth proportional to 111,277.20, 166,883.40 and 61,381.20 is: 92,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277.20 : 166,883.40 = 61,381.20 : x
  2. Step 2: Convert to fraction form
    111,277.20/166,883.40 = 61,381.20/x
  3. Step 3: Cross multiply
    111,277.20x = 166,883.40 × 61,381.20
  4. Step 4: Simplify right side
    111,277.20x = 10,243,503,352.08
  5. Step 5: Solve for x
    x = 10,243,503,352.08/111,277.20
  6. Step 6: Final answer
    x = 92,053.93

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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.