Home / 161,227.50-222,428.43-93,231.42

Finding the Fourth Proportional to 161,227.50, 222,428.43 and 93,231.42

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Solution

The fourth proportional to 161,227.50, 222,428.43 and 93,231.42 is: 128,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,227.50 : 222,428.43 = 93,231.42 : x
  2. Step 2: Convert to fraction form
    161,227.50/222,428.43 = 93,231.42/x
  3. Step 3: Cross multiply
    161,227.50x = 222,428.43 × 93,231.42
  4. Step 4: Simplify right side
    161,227.50x = 20,737,318,377.27
  5. Step 5: Solve for x
    x = 20,737,318,377.27/161,227.50
  6. Step 6: Final answer
    x = 128,621.47

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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.