Home / 161,022.33-222,217.76-89,402.35

Finding the Fourth Proportional to 161,022.33, 222,217.76 and 89,402.35

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Solution

The fourth proportional to 161,022.33, 222,217.76 and 89,402.35 is: 123,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,022.33 : 222,217.76 = 89,402.35 : x
  2. Step 2: Convert to fraction form
    161,022.33/222,217.76 = 89,402.35/x
  3. Step 3: Cross multiply
    161,022.33x = 222,217.76 × 89,402.35
  4. Step 4: Simplify right side
    161,022.33x = 19,866,788,953.18
  5. Step 5: Solve for x
    x = 19,866,788,953.18/161,022.33
  6. Step 6: Final answer
    x = 123,379.09

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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.