Home / 165,439.76-248,083.16-53,099.28

Finding the Fourth Proportional to 165,439.76, 248,083.16 and 53,099.28

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Solution

The fourth proportional to 165,439.76, 248,083.16 and 53,099.28 is: 79,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,439.76 : 248,083.16 = 53,099.28 : x
  2. Step 2: Convert to fraction form
    165,439.76/248,083.16 = 53,099.28/x
  3. Step 3: Cross multiply
    165,439.76x = 248,083.16 × 53,099.28
  4. Step 4: Simplify right side
    165,439.76x = 13,173,037,176.12
  5. Step 5: Solve for x
    x = 13,173,037,176.12/165,439.76
  6. Step 6: Final answer
    x = 79,624.37

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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.