Home / 321,192.05-443,248.82-176,001.98

Finding the Fourth Proportional to 321,192.05, 443,248.82 and 176,001.98

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Solution

The fourth proportional to 321,192.05, 443,248.82 and 176,001.98 is: 242,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,192.05 : 443,248.82 = 176,001.98 : x
  2. Step 2: Convert to fraction form
    321,192.05/443,248.82 = 176,001.98/x
  3. Step 3: Cross multiply
    321,192.05x = 443,248.82 × 176,001.98
  4. Step 4: Simplify right side
    321,192.05x = 78,012,666,856.41
  5. Step 5: Solve for x
    x = 78,012,666,856.41/321,192.05
  6. Step 6: Final answer
    x = 242,884.80

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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.