Home / 119,884.24-165,439.92-66,168.91

Finding the Fourth Proportional to 119,884.24, 165,439.92 and 66,168.91

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Solution

The fourth proportional to 119,884.24, 165,439.92 and 66,168.91 is: 91,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,884.24 : 165,439.92 = 66,168.91 : x
  2. Step 2: Convert to fraction form
    119,884.24/165,439.92 = 66,168.91/x
  3. Step 3: Cross multiply
    119,884.24x = 165,439.92 × 66,168.91
  4. Step 4: Simplify right side
    119,884.24x = 10,946,979,176.89
  5. Step 5: Solve for x
    x = 10,946,979,176.89/119,884.24
  6. Step 6: Final answer
    x = 91,312.91

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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.