Home / 117,209.14-161,749.40-63,494.16

Finding the Fourth Proportional to 117,209.14, 161,749.40 and 63,494.16

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Solution

The fourth proportional to 117,209.14, 161,749.40 and 63,494.16 is: 87,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,209.14 : 161,749.40 = 63,494.16 : x
  2. Step 2: Convert to fraction form
    117,209.14/161,749.40 = 63,494.16/x
  3. Step 3: Cross multiply
    117,209.14x = 161,749.40 × 63,494.16
  4. Step 4: Simplify right side
    117,209.14x = 10,270,142,283.50
  5. Step 5: Solve for x
    x = 10,270,142,283.50/117,209.14
  6. Step 6: Final answer
    x = 87,622.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.