Home / 166,953.12-230,397.12-91,500

Finding the Fourth Proportional to 166,953.12, 230,397.12 and 91,500

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Solution

The fourth proportional to 166,953.12, 230,397.12 and 91,500 is: 126,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,953.12 : 230,397.12 = 91,500 : x
  2. Step 2: Convert to fraction form
    166,953.12/230,397.12 = 91,500/x
  3. Step 3: Cross multiply
    166,953.12x = 230,397.12 × 91,500
  4. Step 4: Simplify right side
    166,953.12x = 21,081,336,480
  5. Step 5: Solve for x
    x = 21,081,336,480/166,953.12
  6. Step 6: Final answer
    x = 126,270.99

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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.