Home / 161,916.21-223,444.58-89,317.44

Finding the Fourth Proportional to 161,916.21, 223,444.58 and 89,317.44

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Solution

The fourth proportional to 161,916.21, 223,444.58 and 89,317.44 is: 123,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,916.21 : 223,444.58 = 89,317.44 : x
  2. Step 2: Convert to fraction form
    161,916.21/223,444.58 = 89,317.44/x
  3. Step 3: Cross multiply
    161,916.21x = 223,444.58 × 89,317.44
  4. Step 4: Simplify right side
    161,916.21x = 19,957,497,420.89
  5. Step 5: Solve for x
    x = 19,957,497,420.89/161,916.21
  6. Step 6: Final answer
    x = 123,258.18

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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.