Home / 309,176.22-426,566.34-173,191.80

Finding the Fourth Proportional to 309,176.22, 426,566.34 and 173,191.80

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Solution

The fourth proportional to 309,176.22, 426,566.34 and 173,191.80 is: 238,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,176.22 : 426,566.34 = 173,191.80 : x
  2. Step 2: Convert to fraction form
    309,176.22/426,566.34 = 173,191.80/x
  3. Step 3: Cross multiply
    309,176.22x = 426,566.34 × 173,191.80
  4. Step 4: Simplify right side
    309,176.22x = 73,877,792,244.01
  5. Step 5: Solve for x
    x = 73,877,792,244.01/309,176.22
  6. Step 6: Final answer
    x = 238,950.43

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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.