Home / 160,916.63-222,065.55-89,306.96

Finding the Fourth Proportional to 160,916.63, 222,065.55 and 89,306.96

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Solution

The fourth proportional to 160,916.63, 222,065.55 and 89,306.96 is: 123,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,916.63 : 222,065.55 = 89,306.96 : x
  2. Step 2: Convert to fraction form
    160,916.63/222,065.55 = 89,306.96/x
  3. Step 3: Cross multiply
    160,916.63x = 222,065.55 × 89,306.96
  4. Step 4: Simplify right side
    160,916.63x = 19,831,998,080.90
  5. Step 5: Solve for x
    x = 19,831,998,080.90/160,916.63
  6. Step 6: Final answer
    x = 123,243.94

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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.