Home / 161,518.19-222,897.22-88,929.53

Finding the Fourth Proportional to 161,518.19, 222,897.22 and 88,929.53

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Solution

The fourth proportional to 161,518.19, 222,897.22 and 88,929.53 is: 122,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,518.19 : 222,897.22 = 88,929.53 : x
  2. Step 2: Convert to fraction form
    161,518.19/222,897.22 = 88,929.53/x
  3. Step 3: Cross multiply
    161,518.19x = 222,897.22 × 88,929.53
  4. Step 4: Simplify right side
    161,518.19x = 19,822,143,676.10
  5. Step 5: Solve for x
    x = 19,822,143,676.10/161,518.19
  6. Step 6: Final answer
    x = 122,723.91

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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.