Home / 157,446.69-236,261.48-66,255.37

Finding the Fourth Proportional to 157,446.69, 236,261.48 and 66,255.37

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Solution

The fourth proportional to 157,446.69, 236,261.48 and 66,255.37 is: 99,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,446.69 : 236,261.48 = 66,255.37 : x
  2. Step 2: Convert to fraction form
    157,446.69/236,261.48 = 66,255.37/x
  3. Step 3: Cross multiply
    157,446.69x = 236,261.48 × 66,255.37
  4. Step 4: Simplify right side
    157,446.69x = 15,653,591,774.15
  5. Step 5: Solve for x
    x = 15,653,591,774.15/157,446.69
  6. Step 6: Final answer
    x = 99,421.54

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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.