Home / 116,276.21-160,455.55-65,282.66

Finding the Fourth Proportional to 116,276.21, 160,455.55 and 65,282.66

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Solution

The fourth proportional to 116,276.21, 160,455.55 and 65,282.66 is: 90,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,276.21 : 160,455.55 = 65,282.66 : x
  2. Step 2: Convert to fraction form
    116,276.21/160,455.55 = 65,282.66/x
  3. Step 3: Cross multiply
    116,276.21x = 160,455.55 × 65,282.66
  4. Step 4: Simplify right side
    116,276.21x = 10,474,965,115.76
  5. Step 5: Solve for x
    x = 10,474,965,115.76/116,276.21
  6. Step 6: Final answer
    x = 90,086.92

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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.