Home / 172,343.04-258,514.70-54,023.60

Finding the Fourth Proportional to 172,343.04, 258,514.70 and 54,023.60

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Solution

The fourth proportional to 172,343.04, 258,514.70 and 54,023.60 is: 81,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,343.04 : 258,514.70 = 54,023.60 : x
  2. Step 2: Convert to fraction form
    172,343.04/258,514.70 = 54,023.60/x
  3. Step 3: Cross multiply
    172,343.04x = 258,514.70 × 54,023.60
  4. Step 4: Simplify right side
    172,343.04x = 13,965,893,184.23
  5. Step 5: Solve for x
    x = 13,965,893,184.23/172,343.04
  6. Step 6: Final answer
    x = 81,035.43

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1.5x scale

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.