Home / 165,693.10-248,572.05-70,923.10

Finding the Fourth Proportional to 165,693.10, 248,572.05 and 70,923.10

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Solution

The fourth proportional to 165,693.10, 248,572.05 and 70,923.10 is: 106,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,693.10 : 248,572.05 = 70,923.10 : x
  2. Step 2: Convert to fraction form
    165,693.10/248,572.05 = 70,923.10/x
  3. Step 3: Cross multiply
    165,693.10x = 248,572.05 × 70,923.10
  4. Step 4: Simplify right side
    165,693.10x = 17,629,500,359.36
  5. Step 5: Solve for x
    x = 17,629,500,359.36/165,693.10
  6. Step 6: Final answer
    x = 106,398.52

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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.