Home / 111,784.24-154,184.14-75,911.98

Finding the Fourth Proportional to 111,784.24, 154,184.14 and 75,911.98

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Solution

The fourth proportional to 111,784.24, 154,184.14 and 75,911.98 is: 104,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,784.24 : 154,184.14 = 75,911.98 : x
  2. Step 2: Convert to fraction form
    111,784.24/154,184.14 = 75,911.98/x
  3. Step 3: Cross multiply
    111,784.24x = 154,184.14 × 75,911.98
  4. Step 4: Simplify right side
    111,784.24x = 11,704,423,352.00
  5. Step 5: Solve for x
    x = 11,704,423,352.00/111,784.24
  6. Step 6: Final answer
    x = 104,705.49

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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.