Home / 161,508.33-222,855.30-89,886.51

Finding the Fourth Proportional to 161,508.33, 222,855.30 and 89,886.51

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Solution

The fourth proportional to 161,508.33, 222,855.30 and 89,886.51 is: 124,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,508.33 : 222,855.30 = 89,886.51 : x
  2. Step 2: Convert to fraction form
    161,508.33/222,855.30 = 89,886.51/x
  3. Step 3: Cross multiply
    161,508.33x = 222,855.30 × 89,886.51
  4. Step 4: Simplify right side
    161,508.33x = 20,031,685,152.00
  5. Step 5: Solve for x
    x = 20,031,685,152.00/161,508.33
  6. Step 6: Final answer
    x = 124,028.80

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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.