Home / 165,631.84-248,371.32-53,291.20

Finding the Fourth Proportional to 165,631.84, 248,371.32 and 53,291.20

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Solution

The fourth proportional to 165,631.84, 248,371.32 and 53,291.20 is: 79,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.84 : 248,371.32 = 53,291.20 : x
  2. Step 2: Convert to fraction form
    165,631.84/248,371.32 = 53,291.20/x
  3. Step 3: Cross multiply
    165,631.84x = 248,371.32 × 53,291.20
  4. Step 4: Simplify right side
    165,631.84x = 13,236,005,688.38
  5. Step 5: Solve for x
    x = 13,236,005,688.38/165,631.84
  6. Step 6: Final answer
    x = 79,912.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.