Home / 165,821.31-248,731.02-47,492.69

Finding the Fourth Proportional to 165,821.31, 248,731.02 and 47,492.69

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Solution

The fourth proportional to 165,821.31, 248,731.02 and 47,492.69 is: 71,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,821.31 : 248,731.02 = 47,492.69 : x
  2. Step 2: Convert to fraction form
    165,821.31/248,731.02 = 47,492.69/x
  3. Step 3: Cross multiply
    165,821.31x = 248,731.02 × 47,492.69
  4. Step 4: Simplify right side
    165,821.31x = 11,812,903,982.59
  5. Step 5: Solve for x
    x = 11,812,903,982.59/165,821.31
  6. Step 6: Final answer
    x = 71,238.76

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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.