Home / 165,569.56-248,291.70-70,795.78

Finding the Fourth Proportional to 165,569.56, 248,291.70 and 70,795.78

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Solution

The fourth proportional to 165,569.56, 248,291.70 and 70,795.78 is: 106,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,569.56 : 248,291.70 = 70,795.78 : x
  2. Step 2: Convert to fraction form
    165,569.56/248,291.70 = 70,795.78/x
  3. Step 3: Cross multiply
    165,569.56x = 248,291.70 × 70,795.78
  4. Step 4: Simplify right side
    165,569.56x = 17,578,004,569.03
  5. Step 5: Solve for x
    x = 17,578,004,569.03/165,569.56
  6. Step 6: Final answer
    x = 106,166.89

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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.