Home / 479,192.10-718,874.22-163,575.21

Finding the Fourth Proportional to 479,192.10, 718,874.22 and 163,575.21

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Solution

The fourth proportional to 479,192.10, 718,874.22 and 163,575.21 is: 245,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,192.10 : 718,874.22 = 163,575.21 : x
  2. Step 2: Convert to fraction form
    479,192.10/718,874.22 = 163,575.21/x
  3. Step 3: Cross multiply
    479,192.10x = 718,874.22 × 163,575.21
  4. Step 4: Simplify right side
    479,192.10x = 117,590,001,500.09
  5. Step 5: Solve for x
    x = 117,590,001,500.09/479,192.10
  6. Step 6: Final answer
    x = 245,392.20

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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.