Home / 174,425.40-261,638.10-172,675.80

Finding the Fourth Proportional to 174,425.40, 261,638.10 and 172,675.80

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Solution

The fourth proportional to 174,425.40, 261,638.10 and 172,675.80 is: 259,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,425.40 : 261,638.10 = 172,675.80 : x
  2. Step 2: Convert to fraction form
    174,425.40/261,638.10 = 172,675.80/x
  3. Step 3: Cross multiply
    174,425.40x = 261,638.10 × 172,675.80
  4. Step 4: Simplify right side
    174,425.40x = 45,178,568,227.98
  5. Step 5: Solve for x
    x = 45,178,568,227.98/174,425.40
  6. Step 6: Final answer
    x = 259,013.70

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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.