Home / 119,911.42-179,867.67-31,158.64

Finding the Fourth Proportional to 119,911.42, 179,867.67 and 31,158.64

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Solution

The fourth proportional to 119,911.42, 179,867.67 and 31,158.64 is: 46,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.42 : 179,867.67 = 31,158.64 : x
  2. Step 2: Convert to fraction form
    119,911.42/179,867.67 = 31,158.64/x
  3. Step 3: Cross multiply
    119,911.42x = 179,867.67 × 31,158.64
  4. Step 4: Simplify right side
    119,911.42x = 5,604,431,977.17
  5. Step 5: Solve for x
    x = 5,604,431,977.17/119,911.42
  6. Step 6: Final answer
    x = 46,738.10

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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.