Home / 171,234.72-236,246.28-99,556.20

Finding the Fourth Proportional to 171,234.72, 236,246.28 and 99,556.20

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Solution

The fourth proportional to 171,234.72, 236,246.28 and 99,556.20 is: 137,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,234.72 : 236,246.28 = 99,556.20 : x
  2. Step 2: Convert to fraction form
    171,234.72/236,246.28 = 99,556.20/x
  3. Step 3: Cross multiply
    171,234.72x = 236,246.28 × 99,556.20
  4. Step 4: Simplify right side
    171,234.72x = 23,519,781,900.94
  5. Step 5: Solve for x
    x = 23,519,781,900.94/171,234.72
  6. Step 6: Final answer
    x = 137,354.05

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1.5x scale

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.