Home / 157,584.46-217,469.64-85,967.14

Finding the Fourth Proportional to 157,584.46, 217,469.64 and 85,967.14

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Solution

The fourth proportional to 157,584.46, 217,469.64 and 85,967.14 is: 118,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,584.46 : 217,469.64 = 85,967.14 : x
  2. Step 2: Convert to fraction form
    157,584.46/217,469.64 = 85,967.14/x
  3. Step 3: Cross multiply
    157,584.46x = 217,469.64 × 85,967.14
  4. Step 4: Simplify right side
    157,584.46x = 18,695,242,987.63
  5. Step 5: Solve for x
    x = 18,695,242,987.63/157,584.46
  6. Step 6: Final answer
    x = 118,636.34

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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.