Home / 157,469.10-236,203.65-86,364.26

Finding the Fourth Proportional to 157,469.10, 236,203.65 and 86,364.26

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Solution

The fourth proportional to 157,469.10, 236,203.65 and 86,364.26 is: 129,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,469.10 : 236,203.65 = 86,364.26 : x
  2. Step 2: Convert to fraction form
    157,469.10/236,203.65 = 86,364.26/x
  3. Step 3: Cross multiply
    157,469.10x = 236,203.65 × 86,364.26
  4. Step 4: Simplify right side
    157,469.10x = 20,399,553,441.55
  5. Step 5: Solve for x
    x = 20,399,553,441.55/157,469.10
  6. Step 6: Final answer
    x = 129,546.39

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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.