Home / 321,026.36-443,000.57-175,832.78

Finding the Fourth Proportional to 321,026.36, 443,000.57 and 175,832.78

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Solution

The fourth proportional to 321,026.36, 443,000.57 and 175,832.78 is: 242,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,026.36 : 443,000.57 = 175,832.78 : x
  2. Step 2: Convert to fraction form
    321,026.36/443,000.57 = 175,832.78/x
  3. Step 3: Cross multiply
    321,026.36x = 443,000.57 × 175,832.78
  4. Step 4: Simplify right side
    321,026.36x = 77,894,019,549.68
  5. Step 5: Solve for x
    x = 77,894,019,549.68/321,026.36
  6. Step 6: Final answer
    x = 242,640.58

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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.