Home / 165,849.40-248,774.10-82,905.40

Finding the Fourth Proportional to 165,849.40, 248,774.10 and 82,905.40

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Solution

The fourth proportional to 165,849.40, 248,774.10 and 82,905.40 is: 124,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,849.40 : 248,774.10 = 82,905.40 : x
  2. Step 2: Convert to fraction form
    165,849.40/248,774.10 = 82,905.40/x
  3. Step 3: Cross multiply
    165,849.40x = 248,774.10 × 82,905.40
  4. Step 4: Simplify right side
    165,849.40x = 20,624,716,270.14
  5. Step 5: Solve for x
    x = 20,624,716,270.14/165,849.40
  6. Step 6: Final answer
    x = 124,358.10

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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.